TBParts - Vintage Honda 88cc Race Head big bore Kit
Z50 79-81

This is the Race Head 88 kit that everyone is talking about. Performance and price make Mike's Honda Trail Bike 88 w/ race head a real winner!

Key Features:

• Lightweight aluminum cylinder with steel sleeve
• Cast in mounts on cylinder for aftermarket skid plates
• Oversized cooling fins on cylinder for efficient heat dissipation
• 52mm piston with rings, pin, & clips
• High performance race camshaft for the race head
• Larger valves (25mm intake & 22mm exh) and porting for increased performance.
• Also has bigger cooling fins. Includes all necessary parts. Comes disassembled.
• 20mm Performance carb assembly.

Recommended:

• High volume oil pump - TBW0225-6V
• High speed 2mm drill bit - TRC-5526
• 2 Size clutch tool - WHS-2274
• TB oil cooler kit w/ intake mount - TBW1370
• Sta-bil fuel stabilizer - W-57-1129
• 12 Way rotating spacer - TBW1487
• Pre-filter - OW-20-2159-01

Application:

• Z50 79-81

Kit Includes:

• TBW0219 - Piston
• TBW0206 - Gasket
• TBW0156 - Cylinder
• TBW0125 - Carb
• TBW0273 - Intake
• TBW0301 - Throttle Cable
• TBW0174 - Air Filter
• TBW0189 - Race Cam
• TBW0385 - Race Head & Valves Assembly
• TBW0294 - Jet Kit
• TBW0251 - Right Side Cover
• TBW0861 - Cam Sprocket

Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal).

NOTE: Throttle cable is for CR type twist throttles