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Post by eternalq1 on Sept 23, 2024 10:01:49 GMT -5
I recently put on a new exhaust, carburetor and cylinder and it’s making a weird sound usually louder the more warm the bike gets, also the bike is losing power around half throttle, I have not jetted/adjusted carb yet because I just put the parts on and got it started
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Post by eternalq1 on Sept 23, 2024 10:10:30 GMT -5
Engine:Minarelli horizontal air cooled
Cylinder:s6 streetrace 70cc
Carburettor:Dell’Orto 21mm phgb
Exhaust:YASUNI r
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Post by yamahanerox on Oct 17, 2024 12:44:45 GMT -5
Check for exhaust and air leaks.
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ignelioo
Scoot Junior
yamaha slider 2004
Posts: 14
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Post by ignelioo on Oct 19, 2024 13:48:37 GMT -5
the wistling sound is probobly normal, since its air cooled, but the power could be your carburator not being in tune, or overheating
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Post by eternalq1 on Oct 20, 2024 4:44:48 GMT -5
the wistling sound is probobly normal, since its air cooled, but the power could be your carburator not being in tune, or overheating do you think it’s because of the stock air box, it’s choking when giving over like 2/4 throttle, and I have to build up Revs for a long time to go fast |
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Post by 190mech on Oct 20, 2024 6:19:49 GMT -5
Likely needs CVT tuning- lighter rollers and heavier clutch springs..Did the old exhaust have any hoses attached to it for pollution control? Keep the stock airbox and pull the snorkel tube, dont go for the open style filter..
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ignelioo
Scoot Junior
yamaha slider 2004
Posts: 14
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Post by ignelioo on Oct 21, 2024 8:23:23 GMT -5
the wistling sound is probobly normal, since its air cooled, but the power could be your carburator not being in tune, or overheating do you think it’s because of the stock air box, it’s choking when giving over like 2/4 throttle, and I have to build up Revs for a long time to go fast if the carburator is tuned, its going to be roller weights, and too soft clutch springs, if the carb isnt tuned, start with the carb. start with a/f ratio, then main jet, then pilot |
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