Bike starts Ok runs for 3 mins then stops. seems to run longer on full throttle, when throttle is shut, bike stops as if running out of fuel

SOURCE: pw50 problems stating bike

hey there matey,, just to run a few things with,, have u taken the spark plug out and cleaned it up,,try a new plug 1st,, to be sure, or if u have a new plug,, take out the spark plug place it back in its cap and rest it on the cylinder head and either elec start it or kick it over and make sure u have a spark ,, if all is ok on the above,, then turn to fuel and carburetta, make sure fuel is gettin to the carb 1st,, but u say u do eventually gettin it goin ,,then theres a blockage in jets ,,undu the bottom of the carb clean out the bowl, ,in the carb u will see a brass jet, un screw that and the needle guide that the jets screwed in to and using a pin or needle,poke the small hole clean so u can see light threw them,, bung it all back together and pray,, if no joy il get back to ,, ok m8, enjoy

SOURCE: will only run with full choke and absolutely no throttle.

Carbs gummed up. Need a serious cleaning or a full ruubers replacement/rebuild kit. Gas turns to gummy when left stting in the fuel bowls.

Use a couple of cans of Sea Foam.. best stuff in the world.

SOURCE: bike won't start 92 yamaha fzr 600

Sounds like the plugs are fouled out, I would pull them and make sure they're about the color of a paper bag. If they're all sooty and wet you most likely have a rich condition. I would take the carbs out and clean everything and pop in a new set of plugs. I have a 87 Fz600 that was acting up until I cleaned the carbs.

Gino Cussen

• 217 Answers
• Posted on Apr 24, 2009

SOURCE: my honda cbr 600 is struggling as if it keeps

It all seems to be leading to fuel starvation. Have you checked the tank breather is not blocked which can be a small hole in the petrol cap or a tube from under the tank. It could also be a blocked fuel filter. There should be two. One inside the fuel tank under the petcock, another before the fuel pump. Here is the workshop manual where you can find all info you will ever need for this bike.
Hop this has been useful, rate me if it has...?
Thanks and good luck.
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SOURCE: Shuts off spits and sputters

Check for vacume leaks first. Rubber lines..gaskets to carbs ect. Also remove and blow out your fuel line to tank and change out filter. Hope this helps.:)