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Post by max on May 19, 2013 17:00:51 GMT -5
Wow! I thought I had problems with my 260 -2008 version - If you need parts such as the exhaust manifold gasket go to BMS in LA - I think its BMSservice com
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Post by gatekeeper on May 20, 2013 6:53:11 GMT -5
Ok thank you for that pamplet on how to tune the carb I've been tinkering all day but when I turn the air/fuel screw. Nothing happens left or right. And the rpms are jumpy.go from 2-1700-1000-1500-1000-1700-2000-1700.... And when I give it throttle it still wants to bog out When the idle jumps around like that it usually means you have an air leak somewhere and it is running too lean. Check the air filter housing for cracks. Check all air tube and carb mounting points for tightness. |
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Post by armydog2010 on May 20, 2013 7:14:30 GMT -5
could an air leak along the exhaust be a problem. and i will look for air leaks along the intake thanks
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Post by gatekeeper on May 20, 2013 7:25:59 GMT -5
Don't forget the intake manifold itself. Make sure it is on tight.
Yes exhaust leaks can cause problems too. The engine needs a certain amount of back pressure to be properly balanced. And a leaky exhaust can make the engine run hotter leading to a burnt exhaust valve.
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Post by armydog2010 on May 20, 2013 11:23:04 GMT -5
what about the choke. i still wonder if that could be that could be an issue
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Post by scootnwinn on May 20, 2013 12:26:45 GMT -5
what about the choke. i still wonder if that could be that could be an issue Don't wonder test it. Alleyoop has some great pics and a thorough test procedure around her somewhere |
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Post by alleyoop on May 20, 2013 12:29:02 GMT -5
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Post by armydog2010 on May 20, 2013 21:56:34 GMT -5
it said the thread dont exist?
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Post by gatekeeper on May 21, 2013 3:56:18 GMT -5
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Post by armydog2010 on May 21, 2013 14:30:09 GMT -5
Ok sweet! That was helpful. I believe that itsa clogged air passage. Where would I check for that? The carb? The intake box or hose?
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Post by alleyoop on May 21, 2013 15:00:13 GMT -5
Is your carb a CVK CARB OR A SLIDER type CARB(throttle cable goes into the top center of the carb)?
Why do you say you have a CLOGGED AIR PASSAGE?
1.
Did you richen up the FUEL Ratio Screw(IF YOU HAVE A CVK TYPE CARB), by turning Fuel Ratio Screw COUNTER CLOCKWISE?
2. Did you richen up the AIR Ratio Screw(IF YOU HAVE A SLIDER TYPE CARB), by turning the Air Ratio Screw CLOCKWISE?
Alleyoop
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Post by armydog2010 on May 21, 2013 21:16:49 GMT -5
if i followed what that thread said then it says clogged air. and i have a cvk. the throttle cable is on the left side. i am so lost with this bike. one thing after another. im almost about to take it to a repair shop
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Post by alleyoop on May 21, 2013 21:38:32 GMT -5
Armydog,
You better read that thread again, you have a CVK carb NOT A SLIDER type carb.
But anyway if you turn the FUEL RATIO MIXTURE screw IN EITHER DIRECTION Does it change your IDLE?
IF IT DOES NOT, then you have to clean out the PILOT JET AND ITS PASSAGE.
Alleyoop
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Post by armydog2010 on May 21, 2013 22:14:30 GMT -5
ok. thanks. help meout please, haha, whats the pilot jet, wheres it located abd how do i clean it
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Post by armydog2010 on May 22, 2013 6:22:56 GMT -5
Nvm. I you tubed it. Should I clean it or should I just be safe and replace both the pilots.  |
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..BAD TO THE BONE..