MB623002 KOSO Performance 170cc 2V Big Bore Kit - '13-'20 Honda GROM / GROM SF (Liability Waiver Required)
KOSO Performance 170cc 2V Big Bore Kit (MB623002)
Fits '13-'20 Honda GROM / GROM SF - PREMIUM GAS
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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.
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Add HardRacing "Factory Logo" T-Shirt : only $5.95No Thanks., Yes, please add Small/BLACK (+$6.95), Yes, please add MED/BLACK (+$6.95), Yes, please add LARGE/BLACK (+$6.95), Yes, please add XL/BLACK (+$6.95), Yes, please ADD (2XL)BLACK (+$8.95 )
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Add Cam Chain Tensioner Arm ?No Thanks, I don't need it., Yes, please add Koso Cam Chain Tensioner Arm MU623100 (+$124.99)
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Kitaco H-D Upgraded Starter :No Thanks, I don't need one, Yes, please add Kitaco HD Starter (758-1432110) +$119
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Crank Shaft Support Bearing ?No Thanks, I don't need it., Yes, please add Crank Shaft Support Bearing ("OG" GROM) 01-10-0134 (+$109.95), Yes, please add Crank Shaft Support Bearing (GROM "SF") 01-10-0138 (+$109.95)
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WAIVERYes, I understand I will need to sign a Release Waiver
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Add Finbro SuperAwesome Head 3.0No Thanks, I don't need an Upgraded Head, Yes please add Finbro Super Awesome 3.0 Head, Yes please add Finbro Super Awesome 3.0 Head ($299.95) & Takegawa Camshaft ($99)
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PCX150 InjectorNo Thanks, I already have one., Yes, please add PCX150 Injector (+$58.95)
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Add Optional Koso 34mm Throttlebody?No, I don't need the Koso 34mm Throttlebody, Add Koso 34mm Throttlebody DY623013 & Koso Intake Manifold DP623001 & KN Pod Filter & Fairing Brace, Add Koso 34mm Throttlebody DY623013 (+$159)
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Add Fuel Controller?No Thanks, I already have a Fuel Controller, Yes, please add aRacer Mini X & AF2 (+$765)
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Add Digital Temp. Gauge ?No thanks, I don't need an Engine/Head Digital Temperature Gauge, Yes, please add KOSO Engine/Head Digital Temperature Gauge (+$109.95)
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Sprockets?No thanks, I don't need a Sprockets, Yes, please add 16t Front Sprocket (+$7.99 ), Yes, please add 16t Front ($7.99) & 32t Rear (+$29.99 ), Yes, please add 17t Front Sprocket (+$7.99 )
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Engine Temp. Reducer PackageNo Thanks., Yes, please add Kitaco Clutch Cover, FIVE "5" Row Oil Cooler, & Tak. Super Oil Pump (+ $625)
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High Flow Oil Pump?No Thanks, I don't need it., Yes please add KITACO High Flow Oil Pump 331-1432000 (+$57), Yes please add Takegawa High Flow Oil Pump (+$58.95)
