Question about Yamaha Motorcycles
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Hi, Donald, you need to repost your question under the ATV category, not the motorcycle category, Thanks, Gregg
Posted on Feb 10, 2020
Have you checked the expansion chambers to see if there is a blockage and also the stinger mufflers also check your kill switch wiring and switch block hope this helps
Posted on Feb 05, 2020
Make sure it has enough compression and make sure it has a good enough spark and you haven’t flooded it.
Posted on Feb 04, 2020
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Posted on Jan 02, 2017
SOURCE: my yamaha warrior 350 has gas and spark but wont start.
check your timing as described if it checks out ok. you might want to check the intake valves and exhaust valves. intake 4 and exhaust 6
could have a bent valve.
Posted on May 06, 2009
SOURCE: my 2002 yamaha blaster will not start.
Check that you are actually getting spark to the plug first. If you're getting spark, check your timing. I would say these would be the easiest 2 areas to start with. If both of these are good, it could be anything in your wiring, or your CDI box. Good luck!
Posted on Jul 08, 2009
SOURCE: very hard to start 1991 yamaha fzr 600,
Check the choke to make sure its operating correctly.
Posted on Jul 27, 2009
SOURCE: i have a 1991 cr250 wont start it has compression
just adjust the accelerator cable that is connecting to the fuel pump.check the and repair the throttle cause its the reason why it wont start . Its flooding the because of too much release of gas to the carb.
Posted on Jul 28, 2009
SOURCE: my 1991 yamaha fzr 600 wont start
how long did you let it sit for with gas in the carbs, you may have clogged up your jets. after awile gas will break down and turn into varnish, if your bike trys to push the varnish through the system it will clog the jets. try to take off your seat then remove your plastic over the gas tank. remove the gas tank and you will see four bowls *silver ones right next to where the gas tank is on the carbs*. your bowls are in sets of two. there are drain screws on the bowls to remove the gas inside. remove the 16 screws holding the bowl onto the carb. *4 on each* inside you will see your floats and jets. carefully loosen the jets with a screw driver then finish unscrewing them by hand, they are brass and very soft. you should be able to hold up the jets to the light and see a small pin hole. if not get some carb cleaner and give them a squirt and blow them out. do not try to use anything to clean them out, they are very very sensitive and one knick will change the jet. after that i would spray some carb cleaner up the jet holes and try to clean them out also. if you have a compressor it would be wise to use that to blow out the gunk from the jet holes as well. after you run threw all 8 jets put them back together and see how it goes, if nothing you may have to check the jets again and if clogged again your carbs are gunked up and will need to be cleaned
Posted on Aug 12, 2009
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