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bike is lean


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just did a plug check, and the bike is running lean, i cant get new mains until about 2 weeks, can i still drive the bike, or will i damage the engine? the base ring on the plugs had basically zero color, looked new, and the side electrode was burnt almost white, right to the base ring.

 

sure you can run it... but not for long before catastrophic failure .. main jets are a few dollars for both man

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Did you follow the plugchop directions exactly, warmed up bike with old plugs, stopped and put in new ones. Then took it through the gears wide open, then pulled clutch & killed motor simultaniuosly without letting out on clutch till completely stopped? You need to be checking the porcolen at the base, if you do a plugchop then you can really tell. By base I mean up at the top of the threads where you can't hardly see wiyhout chopping. You may not be as lean as you think.

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i did everything just as you said, i havent sawed to check the porcelain at the base yet... i didnt even bother because i thought that a big sign of lean or rich jetting was on the very bottom of the plug...this was very silver, with very little dark areas, 90% no color, so i figured that she was lean...but i will cut away the threads and check for that 2mm brown ring.... also the side electrode was burned all the way to bottom of the plug on both, not sure what that means..?

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i just cut the plugs and there is 2 small very light brown rings on the base of the porcelain

 

i cant get any pics cause my digital camera is crap

 

but the carbs are stock mukini's and i have 260 mains in them now

 

 

Can't remember what you had, lid I think, put 290s in and purchase some 280s too, if you have lid on. That way if you are to rich, you can go down.

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yah i got pipes, k& n with lid, ( although im gonna cut the lid off just by the first snaps, so i can run both with lid and without), and vf3

im gonna try to buy some jets tomorrow, but i have to drive 3 1/2 hours to get to town! and even when i get there its still a maybe as to if they have them. other wise ill have to wait 2 weeks and order them in.... im gonna have to start drinking more beers to pass the time away lol

 

and thanks alot for your help too man !!! much appreciated

Edited by BANSH-alena-jol-EE
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hah i know man its brutal isnt it!!!! i live on an island called newfoundland, its apart of canada...i swear to god if i could move to the states id bring my bike and camp out in the dunes forever ahhah!!!! i ordered vf3 reeds, it took 2 months to get here...its almost depressing, i need a new front and back sprocket and the yamahas here dont have any...most ppl just have 4x4s, i cant even get a freakin outwearer!!!! i gonna get my mom to nit me one soon ahahaha

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