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Complete SSR 150 YX

Upgrade your import to a monster 150cc engine. Or Go big with the all new MotoHP 170 and 170+R

53mm stroke
60mm bore
Inner Rotor Kit installed with all electrical wiring
Intake manifold
Kicker
Shifter
Pre-Installed Dress-up Kit

**MotoHP 170 kits come with HD studs and ready to install**

Price: Starting at $550.95
Part# 42-001

MotoHP 170cc Kit

That's right... 170CC Kit. Don't have a BBR/TBR/CHP 160 cylinder laying around. This kit comes with a new cylinder that has been bored for the 64mm piston. "MotoHP Go Big or Go Home".

The piston will clear big valved heads (TBR,Kitaco,TB, and new Takegawa SuperHead). Why build a high performance engine using a cast piston, go with best.

Our aluminum-forged pistons are lighter and more dependable than most cast or hypereutectic pistons, giving you the performance you want. Wiseco uses the world’s most advanced forging process followed by an extensive heat-treat and finishing process that assures performance and reliability for your Mini.

New Cylinder bored for new piston
64MM Piston with pin and circlips
Gasket kit

**This kit will require machining of your motor case to allow the installation of the cylinder.

Part #11-705
Price: $396.95

165cc Kit

This kit will make your 150 YX a 165cc

KLX/DRZ 160cc Complete bore kit. High compression piston with short skirt design for High RPM operation, circlips and Japanese piston ring set. Aluminum cylinder, and top end gasket set. Strong low and Mid range performance with out sacrificing the top end RPM performance of the smaller bore kits.

**This kit will require machining of your motor case to allow the installation of the cylinder.

BB cylinder
Cast aluminum piston kit
Gasket kit

Part#11-009
Price: $190.00

MotoHP 61mm piston kit (155cc)

Upgrade your 150cc to a MotoHP 155cc. Get rid of the cast piston and go with the best. Stop the DNF's,"MotoHP Go Big or Go Home".

The piston will clear big valved heads (TBR,Kitaco,TB,and +R Superhead). Why build a high performance engine using a cast piston, go with best.

Our aluminum-forged pistons are lighter and more dependable than most cast or hypereutectic pistons, giving you the performance you want. Wiseco uses the world’s most advanced forging process followed by an extensive heat-treat and finishing process that assures performance and reliability for your Mini.

61mm
13mm pin
Rings/Clips

Part
#11-500 Pump gas
#11-501 Race gas
Price: $135.00

AHP 52.4mm High Compression Piston

AHP 52.4mm high compression piston kit featuring a 14mm wrist pin for the RCM 125, SDG 125, MX120, Zongshen/Lifan 120 motors are here. The piston kit features valve reliefs big enough to handle the Monster 120 Lifan head. The kit will also work with high lift/duration race cams. This is a 12.5:1 high compression piston kit, with a 10% HP gain over the stock 9.5:1 stock piston. This is a drop in replacement piston kit, no boring is required. Uses your stock type gaskets.

AHP 52.4mm high compression piston kit featuring a 13mm wrist pin for the Pitster Pro, GPX, Extreme, UPC, and Thumpstar. 2 valve engines with 52.4mm bore. This is a 12.5:1 high compression piston kit, with a 10% HP gain over the stock 9.5:1 stock piston. This is a drop in replacement piston kit, no boring is required. Uses your stock type gaskets.

Measure the size of your wrist pin, before ordering the piston. Measure twice and order once.

Part #
40-001 14mm
40-002 13mm
Price: $69.95

TB Racing CDI W/ wire harness

Specifically designed for MX use. Improves throttle response across the powerband while at the same time eliminating the rev limiter found in the stock CDIs. Best suited for 88cc+ Motors, but will work with the 50cc motors. Easy to install and comes with wiring harness adapter allowing it to fit most Chinese engines. Blue

Part# 40-003
Price: $35.00

TB 54mm Piston Kit

TB 54mm high compression piston kit (131cc). Bore your cylinder and go big with your engine. Featuring a 13mm wrist pin for the Pitster Pro, GPX, Extreme, UPC, and Thumpstar. 2 valve engines with 52.4mm bore.

Part# 40-004
Price: $38.95

Kitaco Oil Pump Kit

Kitaco Ultra Oil Pump Kit. 300% Increase in oil volume. This is a must for any Big Bore Kit installation.
Comes with the proper drill bit to enlarge the oil engine orifice.

Not for use on Chinese 120/124cc

Part# 40-005
Price: $53.95

Kitaco 26mm Carb Kit

Kitaco 26mm carb kit for your RCM,SDG,Thumpstart,ETC. Complete new design, with short intake for high RPMs. Includes tank spacers and throttle assy.

Part# 40-006
Price: 216.95

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