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This should be paired with main jets and needle jets to achieve the correct AFR across the band
It also does require additional parts to function including Clutch Master Cylinder(left side master) 36" Clutch line(Brake line) and an M10x1
This kit can access hidden Zuma 125 power up to approximately 10mph gain
This gauge comes highly recommended once you remove your original display or use for a race bike
Compression Ratio: 12:1
DROWsports LS181 4 Valve Honda Grom / Monkey Performance Cylinder Kit Gen 2 Apparel This should be paired withDROWsports LS 4v 181cc Performance Cylinder Kit for the Honda Grom MSX125 and Honda Monkey was designed specifically for the KOSO Grom 4v Head. We wanted to offer an affordable upgrade for the KOSO 4 Valve Head. Taking features from the 170cc piston like; lightweight piston, strutted design piston, radius edge dome etc and applied it to our kit. We love everything about the 61mm (170cc) KOSO but we wanted a little more displacement. Piston Features
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