Koso 150cc Big Bore Kit - 2022+ Honda Grom RR / 2022+ Monkey(5Speed) (NO Fuel Controller ) MB640000

Koso 150cc Big Bore Kit - (NO Fuel Controller )  

FITS:
'22-'23+   Honda Grom RR   ONLY 
'22-'23+   Honda Monkey(5speed)  ONLY    

pn:  MB640000
 
This complete kit comes with everything you need for an easy installation.

Features
-Cylinder displacement: 150 cc
-Cylinder material: Aluminum / Black powder coated
-Piston size: 54 mm
-Piston type: Forged
-Compression ratio: 11.38:1
-Kit includes: piston ring, piston, pin, gasket kit and cylinder
- NO Fuel Controller

Requires a Fuel Controller & A/F Monitor (sold Separately) for Proper fueling.

** Kit should be installed by a certified mechanic to ensure proper function. Improper installation could result in catastrophic engine failure.