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Post by vermi on Aug 6, 2010 15:35:27 GMT -5
When i drive my scooter under 35 mph, if i accelerate the motor have hesitation (beuuuueuu) before he take his gas correctly. Same thing if i'm on top speed, put gas down and bring back to the max, little hesitation... On top speed, no problem, i hit 47 mph (78 km\h) on the speedo.Here my setup:
Kymco People 50S 4T 72CC Original air box (no restriction) I don'twant open air filter, too loud and no place under the scooter. Main jet # 95 Pilot jet # 35 Mix screw 1 1\2 Rollers 6G Spark Plug insulator lite tan brown Valve intake: .003 Exhaust: .004 Tecno exhaust this one have a bigger Manifold of the original exhaust.
I don't know what i need to check, i try a lot of Jets #88 to #110!
Thank's for help!
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Post by Rebel on Aug 7, 2010 0:11:55 GMT -5
Sometimes getting it all ironed out just right takes a lot of patience.
With a light tan spark plug that sounds good. One thing you might try though is raising the needle valve a notch or two.
You might adjust the intake valve to .004 and see if that helps.
Check your timing marks and make sure they all line up.
How many mile on the scooter and did you do all the mods on it?
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 8, 2010 10:56:07 GMT -5
actualy i would replace your contra spring at least in the 2 stroke crowd thats what we would look at if boging on acelleration
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Post by Rebel on Aug 8, 2010 11:48:10 GMT -5
jmkjr72,
Can you explain how that works to me?
As I understand it, the contra spring changes the rpm that the clutch engages at. That makes sense to me if it were from a stand still, or off the line acceleration, but he says it happens going down the road too.
OK, thinking about that, when he lets off on the throttle, the rpms drop and the clutch will disengage.
Is that what you are thinking?
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Aug 8, 2010 13:56:22 GMT -5
the clutch springs control off the line engagement and the contra comes into effect to push the rear sheaves together and apart
being he is already under load and off the line this is why i think its the contra spring i think it has to do with the rear sheaves not coming apart fast enough to be able to get back on the throttle
i wish i had a graphic for this one
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