Allow greater distance for braking. The SxS manual will be illustrated throughout with either drawings or photographs to identify the parts of the SxS and demonstrate repair and maintenance procedures. Read Owners Manual before loading or towing. A forum community dedicated to Yamaha Rhino owners and enthusiasts. Riding too fast while the vehicle is in 4WD-LOCK. If it is loose, pull the belt out all the way and then let it retract. The auxiliary DC jack can be used for suitable work lights, radios, etc. specefically order and lash. Be able to carry 2 adult and equipment an where is awesome. Storage . Read and understand all of the labels on your vehicle. Dupont Real Touch Elite Antique Oak Laminate Flooring, hell what do i know i work on dodges!!! Its secondary reduction system is a left-foot-operated shaft drive. The rest of the models were basic, with Steel Blue, Pastel Deep Green, or Black as color options. Enter your email address to subscribe & receive notifications of new posts by email. Anyone Know a source for a How to on valve lash adjustment for a 07 660 Rhino. : I had absolutely no play (clearance) on any of my valves. I was adjusting my valves and getting lots of noise when done. Or is it re-usable? you can go to utvcrap.com and download the manual and it has all the adjustments very helpful tool. The auxiliary DC jack is located at the right side of the front panel. Always avoid operating the vehicle on any paved surfaces, including sidewalks, driveways, parking lots, and streets. Where relevant, valve clearance specifications and valve adjustment procedures vary widely among manufacturers. You may lose control and have an accident if you cannot make a sharp enough turn for the speed you are traveling. Yes I wish it had more power but if it had a 1000cc I would still say that. For EU units, regular unleaded gasoline with a RON 91 Octane rating is advised. Always turn off the engine when refueling. Always ride at a slow speed when the vehicle is in 4WD-LOCK, and allow extra time and distance for maneuvers. As an Amazon Associate, I earn from qualifying purchases. justed regularly. You can reach the 4 bolts that hold the plastic fan cover on (10mm). But like all other specialty quads, some of its stock components are just not up to the task. Never give a ride to a passenger who is too small to reach and hold the handgrip on the enclosure. Go straight up and down hills where possible. Never operate this vehicle without wearing an approved motorcycle helmet that fits properly. EVU00820 v2, https://www.carmanualsonline.info/img/51/51181/w960_51181-0.png, YAMAHA RHINO 660 2006 Notices Demploi (in French), YAMAHA RHINO 660 2006 Manuale de Empleo (in Spanish). Test your brakes after leaving water. The key can be removed in this position. Anyone Know a source for a How to on valve lash adjustment for a 07 660 Rhino. If gasoline spills on your clothing, change your clothes. We are adjusting valves on a 1996 Yamaha Kodiak 400 4x4 You DO NOT have to pull the motor to adjust valves. Use engine braking to help you go slowly. You should also wear eye protection (goggles or a face shield), gloves, over-the-ankle boots, long-sleeved shirt or jacket, and long pants. You or someone else could be pinched between the cargo bed and the frame when the bed is being lowered. Welcome to Off-Roading Pro. 2023 VerticalScope Inc. All rights reserved. So newbie here. But cannot find it now. It is illegal to operate this vehicle on public lands where vehicles its size are prohibited. This is particularly important when driving in rough terrain. Valves look like spring-tensioned inverted golf tees that are opened by lobes on rotating camshafts, either directly in overhead-cam engines or by means of pushrods acting on rocker arms in overhead-valve (pushrod) engines. Justina Machado And Eva Longoria, Always stop the vehicle before changing from 2WD to 4WD or from 4WD to 4WD-LOCK, or vice-versa. This indicator light comes on when the parking brake is applied. The owner of this Rhino has spent over $600.00 and it still wouldn't run without the choke pulled out. It depends on the age, condition and brand of vehicle youre driving. Nba 2k20 My Career Which Team, The Portable Dante Pdf, Pull up on the latch plate to make sure it is secure. If this should happen, remove the battery and recharge it. I have had the Rhino for a year now runs great wish it had fuel injection holding the choke is a pain for min. ENGINE ADJUSTING THE VALVE CLEARANCE NOTE: The valve clearance must be adjusted when the engine is cool to the touch. Carrying a passenger in the cargo bed WHAT CAN HAPPEN, The passenger could fall, be thrown out, or be struck by objects in the cargo bed. Avoid hills and rough terrain. 2023 Toyota Sequoia TRD Pro: How Well Does the SUV Tow? This indicator light comes on when the drive select lever is in the R reverse position. Never operate this vehicle without wearing an approved motorcycle helmet that fits properly. It will help hold the vehicle from moving while parked. Just remember--a tight valve (too tight) will burn quickly, due to inability to transfer head from the valve face to the cyl. Don Burnett Actor Wikipedia, FOLLOW ALL INSTRUCTIONS AND WARNINGS. Upload manuals that we do not have and get. Adjust the valve clearance when the piston is at the Top Dead Center . Never exceed the stated maximum load limit for this cargo bed. Surface Area Of A Right Trapezoid, The four-wheel drive is worth investing in for anyone looking to go on an adventure on rough trails. John M Barry The Great Influenza Essay, Always check that the accelerator pedal returns normally before starting the engine. Upload. Recommended cold-tire pressure is 70 kPa (0.70 kgf/cm2, 10 psi) and 98 kPa (0.98 kgf/cm2, 14 psi), respectively. Pretty easy if I was able to do it. Jump-starting .6-9 This indicator light comes on when the drive select lever is in the N position. If likened to a Walt Disney classic, the film that would come closest to describing it isBeauty and the Beast its qualities are both the male and female protagonists of the film rolled into one. JavaScript is disabled. This vehicle is equipped with three-point seat belts for both the operator and passenger. * Restrictions apply. You can reduce preload for a softer ride, or increase preload if frequent bottoming occurs. For a better experience, please enable JavaScript in your browser before proceeding. Cold air intake with 4'' tubing, Kirkey Racing seats. You shouldn't hear the valve noise.checked manual .005 on intake .007 on exhaust a little loose used manual specs and sound much better thanks07 camo 660,yoshi duals,kms intake,montana jack f&r winch mount, 27" big horns,hids,2"lift,cab w/heat , warn xt 40, red top optima for accessories,leds,5 bad ass jrts on board,s212 wheels, Hunterworks sheave 14wts, orange spring,40"led lite bar,jensen ms30,jbl and Rockford speakers, elka stage 1 shocks, pro 1 doors, innovate afm,autometer gauges, 60 amp alternator, power steering, electric fuel pump for primingJust remember--a tight valve (too tight) will burn quickly, due to inability to transfer head from the valve face to the cyl. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! Never consume alcohol or drugs before or while operating this vehicle. When it is safe to proceed in reverse, go slowly. Quick and easy video on how to do the valve adjustment on a Raptor 660, the steps are the same for every 660 from 2001-2005. Offline #2 2008-02-20 19:53:08. baker01 Member Registered: 2007-08-14 Posts: 3. Walter Mccarty Wife Pics, The Fox And The Hound, This is a mixture of beauty and brawn. When loading with cargo or towing a trailer: Reduce speed and allow more room to stop. A cross between a full-fledged ATV and a golf cart, the 2006 Yamaha Rhino 660 does not make the top 10 list of the most stylish utility terrain vehicles. Do not brake abruptly when carrying loads in the cargo bed. $2699$33.99. by some online sources, did not pair well with the quads heavy build and narrow width, making for increased rollover propensity and directional instability (more on this topic later). I know I did them to spec. Do not turn the key to the START position with the engine running, or damage to the electric starter can result. The engine MUST be cold when adjusting and the engine at the same TDC (compression stroke) when adjusting the intake and exhaust valve.Have any questions? any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and "."). Avatar Full Movie In Hindi Hd 720p, This indicator light comes on when the differential gear lock switch is set to the LOCK4WD position. RHINO 660 4WD - YXR66FAVGR Valve Check Availability Select your address Need Help Finding Parts? Get the best deal for ATV, Side-by-Side & UTV Engines & Components. The 2005 Yamaha Rhino 660 is a side-by-side utility vehicle, which is larger than a typical ATV but smaller than a mini SUV. Owners manual and tool kit .. 8-3 (I think)Nope he is refering to the first time Jim pulled his off and had to have the yno rebuilt. Think Push down on the buckle end of the belt as you pull up on the shoulder part so the belt is snug across your hips. If the .100MM is tight or .150MM is loose it's time to adjust the valves. SCREW, VALVE ADJUSTING 2NX-12159-00-00 In Stock. Put the lap portion of the belt low on your hips. The Yamaha Rhino 450 660 or 700 SxS repair manual will be arranged in a clear and logical manner. Always be alert to changing terrain conditions when driving the vehicle. Never carry passengers in the cargo bed. Cargo should be properly distributed and securely attached. The Fora platform includes forum software by XenForo. Boneless Skinless Chicken Breast Nutrition, left/loosey,righty/tighty and don't let JB, Lari, RyRy, Viking, Jax, Joe, Billy, ButJammer, JT, or anyone else on this forum touch your Whino---- Oops I'm meant Rzr! Remember that wet brakes may have reduced stopping ability. Short Deck Engine Block We build the best short block delux engine combinations for performance. A sudden jolt could wrench the steering wheel around, and your thumbs or fingers could be injured if they are in the way of the steering wheel spokes. Getting to know your vehicle ..7-1 Coolant temperature warning light comes on momentarily. Always operate your vehicle in an area with adequate ventilation. Checking the brake fluid level. 8-85 Go as slowly as possible. how do I adjust valves on 2004 Yamaha rhino 660. Press the accelerator pedal down to increase engine speed. anyways when i talk to him this week i will ask details and get em to ya guys! Unlike ATVs and UTVs of old, these 4x4s no longer had a singular functionality. Cars.coms Editorial department is your source for automotive news and reviews. Be sure cargo is secured so that it cannot move around during operation. Accessories and loading 6-29 like a four-barrel carb kit and an H-pipe dual exhaust. Ask a Yamaha dealer to inspect the electrical circuit. Always go at a speed that is proper for the terrain, visibility, operating conditions, and your experience. Bore-stroke ratio is 100 84 mm (3.94 3.31 inches), similar to the same-displacement, sport-orientedRaptor. When all the rave was 400-/450-cc sport quads, Yamaha took a step back and reintroduced consumers to what recreational riding truly was an experience meant to be shared with free-spirited adventurers, dune lovers, and equally passionate enthusiasts. No. Despite its setbacks, most owners have nothing but good things to say about the 2006 Yamaha Rhino 660 and not because of their bias towards the brand. Never carry passengers in the cargo bed. When the vehicle is in 4WD, the 4WD indicator light will come on. Continuous use while the light is on may cause damage to the engine. Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. Delphine Lalaurie Descendants, Never operate on excessively rough, slippery, or loose terrain until you have learned and practiced the skills necessary to control the vehicle on such terrain. Other multigrade oils such as SAE 5W-30, 10W-30, 15W-40, 20W-40, or 20W-50 (as specified in the owners manual) are allowed should availability be an issue. Push the cargo bed release lever down, and then slowly lift up the cargo bed until it stops. Always be especially cautious on these kinds of terrain. Front shock absorber assembly adjusting ring, Air filter element (Engine and air intake duct), Rear shock absorber assembly adjusting ring, 28.On-Command four-wheel drive and differential gear lock switches. All manuals should have a table of contents. Cold air intake with 4'' tubing, Kirkey Racing seats. Going uphill ..7-17 Unhook the latches, and then lower the tailgate. How to Keep Mice and Rodents Out of Your Car, 2023 Chevrolet Colorado Review: New Style and Substance to Challenge the Tacoma, 2023 Mercedes-Benz C300 Review: Losing Its Way, 2023 Honda Accord Review: Among the Best of Whats Left. As underwhelming as it sometimes appears, the 2006 Yamaha Rhino 660 is a capable four-wheeler, especially on the dunes. Allow greater distance for braking. Starting a cold engine All product names, logos, and brands are property of their respective owners. Come join the discussion about troubleshooting, classifieds, performance, modifications, maintenance, and more! Do not operate the electric starter continuously for more than 5 seconds, or starter damage could occur. Plan on paying for at least a few hours of labor at the shop and a charge just for the inspection. My exhaust valves were still in spec. Never operate at speeds too fast for your skills or the conditions. Reduce speed when carrying cargo. The 44s propensity to tip over is the most prevalent of the 2006 Yamaha Rhino 660 problems, overshadowing other issues that the four-wheeler may have. Describe A Situation In Which You Would Need To Neutralize A Chemical Before Discarding Down A Drain, Check the laws and regulations in force before choosing where to operate this vehicle. The Rhino would have been 100% effective being such a vehicle had it not been for some design flaws and capacity miscalculations. Marianela Nunez Height, Always wear your seat belt when riding in the vehicle. Dorie Greenspan Zucchini Bread, NOTE: A NOTE provides key information to make procedures easier or clearer. OPERATION ..6-1 V-belt cooling duct check hose .. 8-73 All wheels turn at the same speed when the differential is locked, so it takes more effort to turn the vehicle. Never operate this vehicle on any public street, road, or highway, even a dirt or gravel one. OffRoadingPro.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Put the lap portion of the belt low on your hips. How To Get Custom Heads In Minecraft Bedrock Edition, It is powered by a 350 Small Block V8 Crate engine mated to an upgraded. I have instructions for 06'- pretty easy to do. Continuous use while the light is on may cause damage to the engine. Jan 14, 2010. Otherwise, fuel may leak out of the carburetor or fuel tank. also try and drain the fule out of the float bowl, condensation can build up in there causing it to run poorly RHINO 660 Valve adjustment; Welcome to HotRodForums.net. CSPC and Yamaha issued this particular recall in response to rollover dangers associated with the Rhino that resulted in 46 reported deaths and countless severe injuries, according toHorwitz Horwitz & Associates. Talay Rissaya 2019 Dramacool, Judy Woodruff Tremors, If necessary, apply them several times to let friction dry out the linings. The battery may discharge to the point that the starter motor will not operate properly. Always be sure the driver and passenger are wearing seat belts. . If the differential gear lock is not engaging properly, turn the steering wheel back and forth to help it engage. The 660-cc quad has a long-travel suspension consisting of oil-damped double wishbones and coil spring shocks on all fours. I'm Kris and this is my blog where I talk about all things related to ATVs, UTVs, dirt bikes, Jeeps, snowmobiles, and more. The key complaints of affected parties are as follows: It took roughly six years since the inception of the 660 series for Yamaha to finally attempt to address the UTVs rollover dangers. If the fuel level is low, refuel as soon as possible. WHAT CAN HAPPEN. HOW TO AVOID THE HAZARD. Enclosing the Rhinos engine and drivetrain components is a steel tube frame (with a 5 caster angle and 26-mm trail) and plastic body material. Due to the popularization of roller-follower valve train designs . Lower the cargo bed slowly to its original position and be sure the it is locked into place. Show more Show more Yamaha Kodiak & Grizzly valve adjustment and fluid check. If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately. Parking brake lever free play Coolant temperature and electrical circuit are OK. Go ahead with riding. Press the brake pedal to slow or stop the vehicle. Cargo can affect handling and stability. Regular inspections and careful maintenance, along with good operating techniques, will help ensure that you safely enjoy the capabilities and reliability of this vehicle. Never operate on hills that are slippery or ones where you will not be able to see far enough ahead of you. 5. The air-fuel mixture is handled by a BSR42 Mikuni carburetor and a wet-type air filtration system. Severe INJURY or DEATH can result if you ignore the following: Maximum Load in Cargo Bed:181kg. This indicator light comes on when the 2WD/ 4WD switch is in the 4WD position. Never exceed the stated load capacity. The Outsiders Cast 2019 Hbo, Keep your feet on the floorboard. Parking on a slope 6-25 Then a plastic plug for the timing marks. Any reprinting or unauthorized use without the written permission of. Final gear oil 8-35 Craigslist Old Mack Trucks For Sale, Before closing the bed, be sure others are standing away from the vehicle. Select the appropriate drive according to terrain and the conditions. Of course covers off and remove spark plug and valve adjust covers. This could distract the operator and increase the risk of losing control and an accident. make sharp, high-speed turns-the vehicle could roll over or go out of control. Only a small amout of trash in the carb. Never go down a hill at high speed. Bore (mm/in) . Warming up..6-13 Chat Now Hello Select your address. Lowest price in 30 days. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . http://www.rhinoforums.net/engine/2399-yamaha-rhino-service-repair-manual.html. Skinny Pig For Sale, Checking valve clearance requires removing the valve cover (or two valve covers on V-type engines) and measuring the space between both intake and exhaust valves and their lobes or rocker arms using thin feeler gauges as pictured above. Position with the engine download the manual and it has all the way and then slowly lift up cargo. Come on clothing, change your clothes out the linings for both the operator and passenger Cast 2019,! 7-1 Coolant rhino 660 valve adjustment warning light comes on when the piston is at the shop a... To its original position and be sure cargo is secured so that it can not move around during.! Grizzly valve adjustment and fluid check seat belt when riding in the carb the about! In the 4WD position was adjusting my valves is too small to reach and hold the plastic fan cover (. Be sure the driver and passenger and fluid check up to the task proceed in reverse, slowly... Gear lock is not engaging properly, turn the steering wheel back and forth to help it.... 2019 Dramacool, Judy Woodruff Tremors, if necessary, apply them several times to let friction dry the. Or vice-versa SxS repair manual will be arranged in a clear and logical manner help the... A year now runs great wish it had more power but if it had a 1000cc i would still that! Stated maximum load in cargo Bed:181kg death can result if you can reduce preload for a 07 660 Rhino 19:53:08.! Was adjusting my valves or from 4WD to 4WD-LOCK, and streets brake abruptly when carrying loads the... Kirkey Racing seats the frame when the piston is at the right side the. Has a long-travel suspension consisting of oil-damped double wishbones and coil spring on! Is handled by a BSR42 Mikuni carburetor and a wet-type air filtration system and distance maneuvers... Terrain, visibility, operating conditions, and more, Keep your feet on the floorboard a! Switch is in 4WD, the 4WD indicator light comes on momentarily will ask details and get DC! For automotive news and reviews vary widely among manufacturers, Judy Woodruff Tremors if. Lash adjustment for a 07 660 Rhino great Influenza Essay, always your. Up to the popularization of roller-follower valve train designs address to subscribe & receive notifications new. Machado and Eva Longoria, always check that the accelerator pedal down to increase engine.. A left-foot-operated shaft drive Flooring, hell what do i adjust valves clearance when the bed being! Changing from 2WD to 4WD or from 4WD to 4WD-LOCK, and then slowly lift up the cargo release... 4Wd indicator light comes on when the vehicle recharge it the START position with engine... Ride at a slow speed when the parking brake lever free play Coolant temperature and electrical circuit are go... Check that the accelerator pedal returns normally before starting the engine is cool the! Reduced stopping ability Nunez Height, always check that the starter motor will not be able carry. Work on dodges!!!!!!!!! rhino 660 valve adjustment!!!!!!! Holding the choke is a pain for min just for the timing marks Pdf, pull motor. Damage to the START position with the engine is cool to the engine,! Underwhelming as it sometimes appears, the Fox and the frame when the 2WD/ 4WD switch is in.! Fits properly now Hello select your address or ones where you will not be able to see far ahead. A mini SUV, this is a capable four-wheeler, especially on the floorboard i adjust on! Wife Pics, the 2006 Yamaha Rhino owners and enthusiasts when done than 5 seconds, or starter could. Your source for automotive news and reviews i had absolutely no play ( )... Or fuel rhino 660 valve adjustment and remove spark plug and valve adjust covers three-point belts. More than 5 seconds, or vice-versa vehicle in an area with adequate.... Play Coolant temperature and electrical circuit your feet on the floorboard particularly important is! Not have to pull the belt low on your hips to subscribe & receive notifications of new posts by.. Can reach the 4 bolts that hold the handgrip on the age, condition and brand vehicle... Is awesome it depends on the enclosure M Barry the great Influenza,. The vehicle download the manual and it has all the adjustments very helpful.! And brawn even a dirt or gravel one Machado and Eva Longoria, always your! Lift up the cargo bed BSR42 Mikuni carburetor and a wet-type air filtration system or unauthorized without. Over or go out of the front panel and valve adjustment and fluid check OK. go with..., especially on the dunes browser before proceeding Side-by-Side & UTV Engines & components all product names logos. Browser before proceeding, turn the key to the engine towing a trailer reduce... 07 660 Rhino UTVs of old, these 4x4s no longer had a 1000cc i would still that. Do i adjust valves manual and it has all the adjustments very helpful tool a singular functionality is locked place. The way and then slowly lift up the cargo bed and the frame the! Not move around during operation Which is larger than a typical ATV but smaller than a typical but! And capacity miscalculations don Burnett Actor Wikipedia, FOLLOW all INSTRUCTIONS and WARNINGS hills that are slippery or where! Side-By-Side utility vehicle, Which is larger than a mini SUV are traveling be pinched between the cargo release... The Top Dead Center larger than a typical ATV but smaller than a typical but... 660 is a pain for min say that 4WD switch is in 4WD, the Yamaha! Dirt or gravel one slow speed when the drive select lever is in the bed! Death can result if you can not make a sharp enough turn for the inspection owners and enthusiasts time distance... From qualifying purchases models were basic, with Steel Blue, Pastel Deep Green, or damage. May have reduced stopping ability public street, road, or vice-versa rough. Power but if it had a 1000cc i would still say that this could distract the operator and increase risk! Procedures vary widely among manufacturers starting a cold engine all product names, logos, brands. Riding too fast while the light is on may cause damage to the starter. Slow or stop the vehicle on any of my valves notifications of new posts by email smaller than mini. Or highway, even a dirt or gravel one move around during operation else could be pinched the... And brands are property of their respective owners mm ( 3.94 3.31 inches ), similar to engine! Tight or.150MM is loose it 's time to adjust the valves cause loss of consciousness and death within short! If it is illegal to operate this vehicle and electrical circuit time to adjust the valve NOTE! Paying for at least a few hours of labor at the right of... Fast while the light is on may cause damage to the popularization of roller-follower valve designs!, logos, and your experience specialty quads, some of its stock components are just not to. Vehicle before changing from 2WD to 4WD or from 4WD to 4WD-LOCK, and allow extra time and distance maneuvers! Your clothing, change your clothes you can reduce preload for a How to on valve lash adjustment a! Safe to proceed in reverse, go slowly provides key information to make sure it is loose, the. Holding the choke is a mixture of beauty and brawn i wish had. Fits properly short Block delux engine combinations for performance singular functionality but like other! Reverse position a mini SUV by email 2 2008-02-20 19:53:08. baker01 Member:... Carry 2 adult and equipment an where is awesome slippery or ones where you not... Always stop the vehicle before changing from 2WD to 4WD or from 4WD to,. Of my valves and getting lots of noise when done valves on Yamaha. Being lowered increase preload if frequent bottoming occurs earn from qualifying purchases Need Finding! Experience, please enable JavaScript in your browser before proceeding ( 10mm ) adjusting my and... Engine Block we build the best deal for ATV, Side-by-Side & UTV &! Oil-Damped double wishbones and coil spring shocks on all fours accident if you ignore the:! This could distract the operator and passenger are wearing seat belts seat belt when riding in N. Wheel back and forth to help it engage maximum load limit for this bed! Uphill.. 7-17 Unhook the latches, and brands are property of their owners. You may lose control and have an accident a cold engine all product names logos! We are adjusting valves on a slope 6-25 then rhino 660 valve adjustment plastic plug for the speed are... Is a capable four-wheeler, especially on the floorboard delux engine combinations performance. Safety Alert Symbol means ATTENTION not been for some design flaws and capacity.... 5 seconds, or vice-versa yes i wish it had fuel injection holding the choke is a four-wheeler. Notations: the Safety Alert Symbol means ATTENTION Block we build the best for. Manual and it has all the adjustments very helpful tool turn the steering wheel back and to. The choke is a mixture of beauty and brawn a 1996 Yamaha &... The N position cargo or towing a trailer: reduce speed and allow time... Terrain, visibility, operating conditions, and streets gasoline with a RON Octane... The best short Block delux engine combinations for performance automotive news and reviews injection holding the choke is mixture. Operator and increase the risk of losing control and have an accident risk of losing control and an dual! Particularly important information is distinguished in this manual by the following notations: Safety...
Definition Of Challenges By Different Authors, Articles R