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Old 04-27-2016, 06:21 AM   #1
blueboy5000   blueboy5000 is offline
 
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Join Date: Jul 2011
Location: Connecticut
Posts: 493
Adjust your valves!

This site is filled with thread after thread of people who describe valves being too tight.

Valves are self-tightening. They require regular inspection every 800 miles or so. Gy6 valves are supposed to be set to .004" for the intake, and .005" for the exhaust. This valve to rocker arm gap is not a variable setting, no bike requires " less" gap. Valves must be adjusted ONLY WHEN ENGINE IS DEAD-COLD.

If your bike starts hard, cuts out after becoming warm, or won't start after being shut down and is still at operational temp, it is 99% likely you have over-tight valves.
__________________
2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.



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