TB parts 20mm carb & cam kit for Honda TRX90s. The perfect solution for unlocking more performance. The 20mm carb has a proven track record of performance, quality, and easy tuning over the 15 years we have been selling them for a variety of small Honda’s. This kit is made to reuse the stock air box and intake manifold. Now available with TB parts race cam for more power! Our race cam will open up the valves more to let in more air and fuel making more power!

Included in the kit with the 20mm carb & performance cam is an extended throttle cable to use with your stock thumb throttle. A carb to manifold spacer, so the carb can fit the stock air box tube. A dual feed petcock and set of 90° barb fittings to plumb the fuel line.

Now available with jets! Pilot #38, #40, #42 Main #82, #85, #87, #90, #92, & #95.

Key features:

• Proven 20mm Carb: Delivers improved throttle response and power over the OEM unit
• Race cam for more power
• Carb-to-manifold spacer (ensures proper alignment with stock air box tube)
• Extended throttle cable (compatible with stock thumb throttle)
• Dual-feed petcock
• 90° barb fittings for easy fuel line plumbing

Does not include –  New Fuel line, (2) M6x1.00-25mm bolts, & Hose clamp for the air box tube, cam cover gasket.

Tuning required – Pilot #38-40, Main #90

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