Kitaco Upgraded STARTER MOTOR  (Heavy Duty) -

P.N. 758-1432110  /  758-1432100

Fits : Honda Grom   '13-'20
Fits : Honda Monkey  '19-21
Fits:  Honda CT125  '21-'22

IN STOCK
DOES NOT FIT:  2022 + Grom RR 
DOES NOT FIT:  2022 + Monkey(5speed)


Key Points:
- Improved  Starting Performance
- More Torque
- OEM Fit

Highly Recommended when doing a  Big Bore Kit Upgrade

KOSO Performance 34mm Throttle Body (DY623013)

IN STOCK

Fits '19-21  Honda Monkey 125

• Control the amount of air flowing to the engine's combustion chamber
• Combining throttle body with intake manifold will allow a better air/fuel mixture for quicker throttle response
• Recommended for Big Bore Kits and/or Finbro Ported Head

Kitaco FORGED crankshaft and Connecting Rod 309-1432100

Fits :  '13-'20 Grom and '19-'21 Monkey -

IN STOCK

Will NOT work with STOCK or  143cc

Must use with at least 60mm bore or Larger

KOSO Performance 170cc 4V Big Bore Kit (MB623003)

Fits '19-21 Honda Monkey 125- PREMIUM GAS

'MUST Use with Premium Gas
Watch this video for more details :
Requires a Fuel Controller & A/F Monitor (sold Separately) for Proper fueling.

Its Highly recommended to run a 16t or 17t Front Sprocket with this BBK
To keep the revs in the PowerBand

Includes:
• 170cc ceramic coated cylinder
• forged piston
• performance camshaft
• camshaft bearing
• rocker arms
• 4 valve cylinder head
• intake manifold & gaskets

** This BBK uses a smaller 8mm Spark Splug, we highly recommend adding to your order.

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.
** Highly Recommended To install Temp. Gauge and A/F Monitor to ensure proper running Temperatures and Add Longevity to the Motor.

KOSO Performance 170cc 2V Big Bore Kit (MB623002)

Fits '19-'21  Honda  MONKEY   - PREMIUM GAS

--------------------------------------------------

BE SURE TO WATCH OUR VIDEOS: 

'MUST Use with Premium Gas

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

Its Highly recommended to run a 16t or 17t Front Sprocket with this BBK
To keep the revs in the PowerBand

Includes:
• 170cc ceramic coated cylinder
• Forged piston
• Pin, Rings, Clips
• Banjo Bolts w/ crush washers
• Base gasket
• Head gasket


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.
** Highly Recommended To install Temp. Gauge and A/F Monitor to ensure proper running Temperatures and Add Longevity to the Motor.

KOSO 61mm Forged 4v Piston Replacement Kit for 170cc 4V Big Bore Kit 

Part# MD623010

Fits:  2019-21 Honda Monkey 125

(incl. piston, rings, pin, clips,)

Please Note:  This replacement Piston Kit is ONLY for the KOSO 170cc 4V Big Bore Kit Part# MB623003

KOSO 61mm Forged Piston Replacement Kit for 170cc 2V Big Bore Kit 

Part# MD623000

Fits:  2019-21 Honda Monkey 125

(incl. piston, rings, pin, clips,)

Please Note:  This replacement Piston Kit is ONLY for the KOSO 170cc 2V Big Bore Kit Part# MB623002