This is the famous Piranha 140cc Engine.
Often refered to as the YX140cc,
this is our ALL TIME best selling engine. Top performance and economy all in one. This is a Super sturdy and Very strong running engine. At TBolt we offer the latest version available with larger kicker shaft and all of the most current improvements.
Front Drive Sprocket Included
See picture for included parts. Engine available as pictured.
We've had tremendous luck with this engine, and it's a Great Replacment engine or for builds & Projects.
Engine Kit Includes:
Air Cooled, Single-Cylinder, 2-valve, 4-stroke
56mm x 57mm
Unleaded / 91 Octaine
Reccomended Engine Oil
10W-40 Petroleum Based (
Auxillary Output (lighting)
4-Speed Manual 4Up
Four-speed Transmission: N-1-2-3-4
Rear 5 plate manual
Note: When upgrading your Honda XR50/70 or CRF50/70 to this engine you may want to order an aftermarket footpeg mount and tank spacers. Also we suggest using an aftermarket exhaust to obtain maximum performance. All of these items are availble at TBoltUSA.com
Bore: 56mm Stroke: 57mm Displacment: 140.4cc Valves: Big Valve 27mm/23mm head Gears: 4-speed, bottom neutral 4-up shift pattern Carb: 22mm mikuni Ignition: Standard Flywheel ignition
Clutch Cable (necessary if switching from Semi-Auto Transmission)
Throttle Cable Important Upgrade info *VM26 606 TBW0399 carb upgrade includes TRC-0559 Boot *Stock 22mm mikuni may need to be returned to TboltUSA via pre-paid USPS
Carb Choice: Stock OEM Carb None (-$30.00) VM 26 (+$100.00)
Clutch Cable: No Clutch Cable Clutch Cable TRC-0331 (+$17.99)
Kickstarter: stock WHS-2606 (+$39.75)
Shipping: Flat Rate (+$40.00) Flat Rate (+$40.00)
Uni Air Filter: No Air Filter Uni Air Fliter (+$17.95)
Since 2004, every purchase from TBolt USA includes access to technical
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.