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Koso 112mm Clucth Bell 40QMB Engines
The 40QMB engines in Chinese made scooters from Keeway, CPI which is TW plus all others use a 112mm clutch bell and clutch set up.
A 107mm wil work also but the 40QMB engine copied the Jog 90 which was 112mm, clutch is 110mm Bell is 112 which is how they measure out
Scootertronics sells all correct products
KOSO and Stage 6 are the only ones who sell a quality clutch bell for 40QMB engines
48 Lower States Only