SOURCE: GSXR 750 Slingshot wont rev past 5000rpm, with or without choke
I have seen this before a few things to do too make sure. First take the air filter out and shine a light use your fingers to move the slides up and down I suspect the springs that go on the slide is not seated in center you can tell from the slide going halfway and hanging up. Next, the boots on the slides only go on 1 way there is a notch on the carbs for them. I would guess this would fix you up if not we can get deeper into it with air-fuel mix screw settings.good luck
SOURCE: 94 yamaha xj 600 want rev over 6000 rpm
hi m8,,1st,, would u no if the bike has been resricted ,,to 33bhp,,if it hasent2nd,, have a look at the spark plugs,, start her up rev until it coffs or wont rev then hit the kill switch,,see wot colour the plugs are ,,they should a biscuit brown,,if not clean them up or change them,, 3rd test,start her up again throttle it a few times ,,untill shez warm,, then ,this sounds not nice, but either spit on your hand or dip hand in sum water, then quickly touch each exhaust down pipe, and make sure there isnt a pipe cooler than the other 3,, if u do find there is that would narrow the test down to that cylinder thats playin up,,try that 1st m8,, then come back if any probs still, and il take u threw next steps,,
SOURCE: Yamaha Fazer 600 - keeps breaking against me when riding
I suspect poor fuel delivery or starvation. At those rpms your bike requires a lot of fuel.Replace any and all fuel filters, check fuel lines for any kinks. Drain tank (petcock on pri ) then remove and clean petcock , replace. Run a bottle of techroline thru your next couple tanks of gas....Good Luck to you my friend...Tim
SOURCE: Suzuki 2009 DR-Z 250 won't rev past half throttle
I would have it checked out. I know that it has limitors on it but it shouldn't be half throttle. It should rev as soon as you start twisting the trottle.
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