This is the famous Piranha 140cc Engine, often referred to as the YX140cc. This is a super sturdy and very strong running engine. This is our ALL TIME best selling engine.
Top performance and economy all in one. At TBolt, we offer the latest version available with larger 16mm kicker shaft and all of the most current improvements.
See picture for included parts. Engine available as pictured. We've had tremendous luck with this engine, and it's a great replacement engine or for builds & projects.
Engine Kit Includes:
Engine
Intake
CDI
Coil
Harness
Kicker 16mm
Shifter Carburetor Front drive sprocket *Carburetor included is available by itself and is part number WHS-0957
VIDEO
Engine
Displacement
140cc
Engine Type
Air Cooled, Single-Cylinder, 2-valve, 4-stroke
Bore/Stroke
56mm x 57mm
Final Drive
Chain
Fuel Delivery
OEM 22mm
Fuel
Unleaded / 91 Octane
Recommended Engine Oil
10W-40 Petroleum Based (Nonsynthetic)
Ignition
Kick Start
Yes 16mm
Electric Start
no
CDI
Yes
Auxiliary Output (lighting)
Yes
Transmission
Transmission
4-Speed Manual 4-Up
Shift-Pattern
Four-speed Transmission: N-1-2-3-4
Clutch
Rear 5 plate manual
Lighting setups:
VOLTAGE REGULATOR SIMPLE HARNESS TYPE 1 - TRC-0797 VOLTAGE REGULATOR / RECTIFIER 6V TYPE 1 - TRC-0503 VOLTAGE REGULATOR / RECTIFIER 12V TYPE 1 - TRC-0127
Recommended for your application: CRF50/XR50 TANK SPACER KIT TRC-1955 PEG MOUNT WITH PEGS SET UP TRC-4958 THROTTLE CABLE TBW0301 Honda XR70/CRF70:
Peg mount with peg set up TRC-4958 THROTTLE CABLE TBW0301 Honda CT70: PEG MOUNT WITH PEGS SET UP TRC-4958 DUAL FEED PETCOCK ATC70 CT70 Z50 TBW0133 CR TYPE UNIVERSAL THROTTLE 1/2 TURN W-70-1056 T3 THROTTLE CABLE FOR 20-28MM CARB TRC-1142 Honda Z50: TBPARTS RACE PETCOCK Z50 69-78 TBW0355 TBPARTS 12 WAY ROTATING SPACER 26MM TBW1020 Honda ATC70:
Dual feed petcock - TBW0133
Note : We suggest using an aftermarket exhaust to obtain maximum performance.
Not Included:
Skid plates
Exhaust
Air filter
Throttle Cable Clutch lever Clutch cable
IMPORTANT ENGINE STARTING INFORMATION
You may want to consider setting up the bike on a stand for a solid starting location at first until your confident
Turn on Both Fuel and Choke
DO NOT open the throttle (do NOT turn the throttle)
Move the starter down until it gets stiffer, your looking for top dead center
Let the starter come back up and give a full strong swift kick ALL the way thru
REPEAT (If necessary)
DO NOT KICK RAPIDLY
When warm just do not use the choke
Flooded Engine:
IF your flooded , pull the plug, kick it over about 10 times WITH THE PLUG OUT
Put in a NEW PLUG
For ease of starting:
You may want to consider our TRC EZ START HIGH PERFORMANCE CDI
Part No. TRC-9745
One more thing:
At times it helps to just crack the throttle a
tiny bit to let air in.
Available Options:
Clutch Cable: No Clutch Cable Clutch Cable TRC-0331 (+$17.50) Clutch lever: NO YES (+$14.99) Exhaust Gasket: None Yes (+$3.00) Kickstarter: stock WHS-1722 (+$51.69) Kill Button: None Kill Button, Yes Please (+$20.95) Shipping: Flat Rate (+$85.00) Flat Rate (+$85.00) Uni Air Filter: No Air Filter Uni Air Fliter (+$19.95)
