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EVOS 140cc Engine

This is a YX made engine

Engine Specs

Bore: 56mm

Stroke:57mm

Displacment:140.4cc

Gears:4 speed ,bottom neutral 4 up shifting

Carb:see options

Ignition:High Output IRK ( Will not run lights )

Kit Includes

Kicker starter

Shifter

Electrical components

oil cooler:see options

Not Included

Skid plates

Exhauste

Air filter

Note

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 availble at TBoltUSA.com

Dyno Runs will be posted soon, rated at over 11HP

TB RACE CAM FOR BIG VALVE HEADS and TB 160cc BORE KIT HAS BEEN TESTED AND WORKS WELL WITH THIS MOTOR

SEE OUR ENGINE PERFORMANCE SECTION