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Works - Piranha 146CC Engine with TB V2 Race Head and VM26 Kit

Vital Information
Part No TRC-10974
Stock Level 2 Left
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NOTE: Each engine is built to order. Please allow 1 week lead time before the engine can be shipped.

Works performance engine build!

Key Features:

  • Ready to rip (tuned and cycled motor) 
  • Added power
  • Lower weight 
  • Base Engine - Piranha 140cc 
  • Added 146cc V2 Race Head with VM26 Carb kit TBW9129 ($739)
  • Approximately 39 lbs with oil
  • Front drive sprocket included

Kit Includes:

  • Engine 
  • Intake
  • EZ start CDI
  • Coil 
  • Harness 
  • Kicker
  • Shifter

Displacement 146cc
Engine Type Air Cooled, Single-Cylinder, 2-valve, 4-stroke
Bore/Stroke 57mm x 57mm
Final Drive Chain
Fuel Delivery VM26-606 Mikuni
Fuel Unleaded / 91 Octane
Recommended Engine Oil 10W-40 Petroleum Based (Nonsynthetic)
Kick Start Yes
Electric Start No
Auxiliary Output Yes
Transmission 4-Speed Manual
Shift-Pattern Four-speed Transmission: N-1-2-3-4 (Four Up)
Clutch 5 Plate

When upgrading your Honda XR50/70, CRF50/70 to this engine you
may want to use order aftermarket footpeg mounts and tank spacers.
Also we suggest using an aftermarket exhaust to obtain maximum performance.

All of these items are available at TBoltUSA.com

$100 Shop Labor included 
$100 Test Run
$100 Discount included for stock take-off engine parts

Available Options:


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Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online Pit Bike Technical Info Database!

We have all necessary support parts on hand.

Most orders ship same, or next business day, unless otherwise noted above.