TB V2 114cc Big Bore Kit & Mikuni VM26 Carb Kit – TRX90 & Chinese 86cc -107/110cc (49.5mm Stroke)

TB V2 114cc Big Bore Kit & Mikuni VM26 Carb Kit – TRX90 & Chinese 86cc -107/110cc (49.5mm Stroke)

TBparts 114cc Race Head V2 Kit , 54mm Bore Kit, Mikuni VM26 Carb/Kit. Converts the following stock model/engines to 114cc: TRX90 & Chinese 86cc – 107/110cc (49.5mm Stroke)

Want to make huge power out of your engine?! Start with the V2 cylinder head’s larger stainless steel (21-4N) valves, better porting, roller cam, and forged aluminum roller rocker arms that allow the engine to rev quicker, farther, and make much more power than the stock setup. Add the high compression 54mm bore kit that brings up the bore to 114cc and makes for a strong power band. Finish it off with Mikuni’s VM26 carb in our carb kit adding up to a professional level of performance at an affordable price for the privateer rider. These are high quality parts and require no machining to the cases or other modifications – bolt on and go! There are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend having a professional technician install this kit or, at a minimum, purchasing the shop manual.

Key Features:

• Race Head V2 – Aluminum roller rockers, 28.5mm intake valve, 23.5mm exhaust valve, 26mm intake port, 23mm exhaust port, covers and hardware included (valve, seals, and springs installed).
• Race Camshaft and sprocket
• 54x69mm 114cc Aluminum Steel Sleeve Cylinder
• 54mm/114cc High Compression Light Weight Piston Kit (91+ octane pump fuel friendly)
• 114cc Top End Gasket Kit
• Mikuni VM26 Carb Kit for proven performance
• Rotating Intake spacer for perfect fitment
• No case boring
• We stock all the replacement parts for this kit, no ridiculous wait times or prices for these High Performance spares.

Installation Note: V2 head notes https://www.tbparts.com/wp-content/uploads/2022/03/V2-Cylinder-Head-Notes-Honda-PDF.pdf  . Carb kit will install facing forward on TRX90. Throttle Cable TBW0301 may be needed on Chinese Models.

Note: This kit is for TRX90 & Chinese 86cc – 107cc engines with a 49.5mm Stroke ONLY

Kit Contents by Part Number: TBW0750, TBW0755, TBW0752, TBW1441, TBW0788, TBW0859, TBW0721, TBW0857, TBW0433, TBW0399, TBW0413, TBW1487