Question about 2003 Yamaha YZ 250 F

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Thanks for all the tips on this CRF250R Honda but we are really getting tired of trying to kick start this guy, wearing us out HELP please. We tried cleaning the carb, checked plug for spark & last outing was running fine then stalled in 3rd gear towed it to start again got it running made home but can not kick start it it plays us out ? ( note)we do not have proper tool to do compression test at this time.

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I dont know what all you have tried so far, but check the fuel filter, usally in the tank above petcock. the compression seems fine as you had to bump start it in third gear. you can feel the compression of a bike when pushing it in gear, like a bike with bad compression you could push in first without wheel locking

Posted on Sep 10, 2009

Testimonial: " lots of gas , injector cleaner in the gas, spray cleaned up carb in frame,pulled of valve cover cam looks burnt blue in colour lack of oil? valves "

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Timing or valves. It's one or the other. Been through this many times on my crf250r. Actually cased a jump badly and was on the rev limit trying to pull the front up. Slipped the timing chain a tooth. Could not start it by kicking, Had to push it but it didn't run well. Start with the timing. It's easy then timing chain tensioner. Easy also...Then check valve clearance and adjust if necessary. Starts pretty easy when all thats correct.

Posted on Apr 22, 2012


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I have a 2009 honda crf250r. i was riding and it shut off. i tried kicking the kick starter was locked up. there was no oil in the crank box. if i put oil in the crank box, will it help it and unlock it so...

Is this the question I just posted a answer for? You ran your motorcycle with no oil, according to what you are telling us here, I would expect the engine to be ruined. If this is the case, you will have to replace the engine and transmission.

Pay? You will pay a lot to have this repair accomplished. It is my guess that IF you can get a complete motor from somewhere and install it yourself, that will be the cheapest repair you will find. Will it be setup correctly? That is a different question. If you want your 2009 motorcycle to run like a 2009 motorcycle, have Honda replace the engine and get it set up for you.

If you bought this motorcycle from a authorized Honda dealer participating in the Honda Riders Club promotion, you can go to the club web site and get additional information there.

Im going out on a limb here ... but I would guess this work cannot be justified, economically.

I'm sorry you ruined your motorcycle because of a quart of oil.

Thanks for visiting


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