ATVs - Page 2 - Recent Questions, Troubleshooting & Support

ok.. clean around the spark plug really well.. you do not want crud falling into your engine when you install the compression gage..
Make sure your spark plug wire is out of the way..
Once you have the gage screwed in..(MAKE SURE THE GAGE THREADS ARE THE SAME LENGTH AS YOUR SPAK PLUG!!).. hand tight! Hold the throttle wide open and turn the engine over for about 3-4 seconds.. it should read about 120psi+.. I have seen a single cylinder engine run with 88 lbs. before..but if you have less than 100psi.. its time for some investigation.. it could be the valves not seating (warped - too tight)..or just normal wear for a 20 year old atv.
New piston/rings.. complete valve job,. carbon clean out.... you should be ready for another 20 years.. KEEP the air filter clean and the box sealed!!

Yamaha 2004... | Answered on Sep 15, 2018

Has this ATV? been sitting for a while? Sounds like a typical need for a professional carb cleaning!!

Yamaha 2010... | Answered on Sep 15, 2018

Hey Anon, this is NOT something to "try and learn" how to do..find a professional that is will to tutor you when you do this for the first time!

It COULD save you A LOT of $$$$!!!!!

Yamaha ATVs | Answered on Sep 15, 2018

First, Disconnect the battery.
Find the old one... R/R all the wires to the EXACT place on the new one.. Got a smart phone.. take several pictures,, make notes with colors and locations..

Its not a hard job!!

Yamaha 2005... | Answered on Sep 15, 2018

Will it move in neutral? If it will move in neutral.. its in the transmission/drive. If it will not move in neutral, then its probably in the drive/rear differential.

Yamaha 2005... | Answered on Sep 15, 2018

Does this unit have disc or drum brakes?

Yamaha 2006... | Answered on Sep 15, 2018

If you have changed your thermostat then i would check and see if your hoses are not pinched also see if your radiator is plugged so it does not flow properly. Is there a water pump that needs replacing. I am not sure what all is involved but a few things to look at.

ATVs | Answered on Sep 14, 2018

What do you mean by "get it down".. take the entire atv .. NOT just the motor!! They have to make sure it runs correctly for them to guarantee their work!! In the retail shop, I would not repair an engine brought in unless it was a full blown race motor . (no warranty)..

Yamaha 2009... | Answered on Sep 14, 2018

Fluctuating... you mean the level is getting low, then getting over filled?
.. to check it.. make sure you are always on level ground.. the bike is always level,, and wait check the level at least one minute after stopping the engine.
Check the oil the exact same way each time to eliminate human error!!

Yamaha 2011... | Answered on Sep 14, 2018

gasoline..I have had people bring in numerous atv's/motorcycles with empty tanks...(swearing they have gas!!) is to make sure you are getting gas to the spark plug (NEW ONE) and gas is getting to the fuel system.

Yamaha 2005... | Answered on Sep 14, 2018

Hello anonymous . whats your question??

Honda 2004... | Answered on Sep 14, 2018

A professional shop will charge from $85 to $110 per hour..depending on location...ask how they determine the charges... ALL manufacturers have a flat rate manual that SHOULD determine how many hours to will take...( When I was working in a shop.. I was usually about 1/2 hour behind on full overhauls..and could usually beat the flat rate on electrical issues)..
Should be able to get out for about 4 - 5 hours..depends on if they have to remove the engine first...engine removal/reinstall is about another hour.

Honda 2008 TRX... | Answered on Sep 14, 2018

Hey Darren,, what do you mean by "start fully"...sounds like its time for a professional carb cleaning..(start there!)

Honda 2005 TRX... | Answered on Sep 14, 2018

The transmission has to be reinstalled in neutral. The shift drum should give away how to do this!
If you can't figure out how to accomplish this.. its time for a professional intervention!! (professional mechanic!)

Honda 2005 TRX... | Answered on Sep 14, 2018

You should have a crankcase vent that keeps this from happening..(UNLESS it has a DRY SUMP oiling system).. the hose should be open and clear to prevent this.

Honda 2008 TRX... | Answered on Sep 14, 2018

Take it to a PROFESSIONAL Factory trained mechanic..they have the skills and expertise to figure out why this is happening. Make sure YOU tell the mechanic everything you can think of..your riding style, you drag race it?.. do "burnouts"?.. play in the mud..??..etc..etc..
He needs to know this!! (he will ask if he is really good!!)

Yamaha 2004... | Answered on Sep 14, 2018

Try swapping the hoses at the pump connection!

ATVs | Answered on Sep 14, 2018

Do you mean the rev limiter. It just keeps you from damaging the engine.

ATVs | Answered on Sep 14, 2018

1. Replace the spark plug
2. Have the carb PROFESSIONALLY cleaned and set.

ATVs | Answered on Sep 14, 2018

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