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ready to toss a match in my fuel tank!
- larrycavan
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Okay i have an 83 kz550 that is running like smashed assholes.......
:lol: Dam! I almost spit coffee through my nose when I read that!
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- 2low4NH
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- JMKZHI
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You should have used the fuel stabilizer....the gas should only be about 6 months old. there wasnt much fuel left in th ebike so i didnt bother with stabil. ...
Fuel can go bad in as little as a month or so.
Fuel goes bad faster the higher the temperatures.
Small amounts of fuel go bad faster than larger amounts.
It's a vintage motorcycle. Assume the previous owner didn't properly care for the bike. Start at the tank & work your way towards the ignition system, checking & correcting each item as per the factory manual. Do not overlook the valve clearances & compression.
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- larrycavan
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I've seen that lots of time. The exhaust ports get a dose of fresh air from the air cut valve. The air cut valve is controlled by vacuum lines running back to the intake boots on cylinders 1 & 4.
If the pollution system is stil on the bike [ or even if it's not] check to see if there's an unhooked or broken vacuum line heading from the intake boots.
That will kill acceleration and make it backfire like crazy.
Hopefully it's just that simple...
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- 2low4NH
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I do have a new question though. u said the emmisions part which im guessing kinda works like a pcv has a big hose off the airbox and is mounted under the tank! should have 2 vaccuum lines going to it right? i have one line coming off the 1st carb. all the rest of the carbs have plugs on the vaccuum ports. the 2nd and 3rd have ports on the bottom of the carb and the 4th has one on the top. these are both on the motor side of the carb. should i hook a 2nd line back up and lose te plug?
on the back side of the carbs between 1-2 theres a vaccuum line with a t coming off of it the same for 3-4 these dont go anywhere and are wide open where should those go?
the bike is still popping sounds like a shotgun going off when i let off the throttle. what do you think that points too? thanks for all the help guys.
i can get pictures if needed too.
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- arai59
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- 2low4NH
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- Patton
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Good Luck!
1973 Z1
KZ900 LTD
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- 2low4NH
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- anarki650
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09 Kawasaki ER6n
77 kz650b1 cafe rebirth project
"Being shot out of a cannon will always be better than being squeezed out of a tube, that's why God made fast motorcycles..."
Dr. Hunter S. Thompson
Omaha NE
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- 2low4NH
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