• NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES

55mm Stroker Crank for Kawasaki Z125 Pro. Bolt on ready, no machine work needed. Just add Fuel controller.

Increase your displacement, torque, and power by replacing your stock crankshaft with this one. No modifications are needed and works with the stock bore/head and all 143cc, 160cc,165cc and 178cc bore/race head kits.

WITH THIS CRANK AND THE 143CC KIT YOUR MOTOR WILL BE 155CC, WITH THE 160CC KIT IT WILL BE 171CC, 178cc will be 190cc

Steady Garage R&D:

You can run this crank with 143cc BBK along with the stock head.

Additional recommended operational parts:

• Oil Cooler
• Aftermarket Fuel Controller: Bazzaz Z-Fi or Dynojet Powercommander V w/Autotune (for those who don't have access to a dynameter)
• Upgraded clutch parts: performance clutch springs and/or clutch disc

Optional parts for higher performance:

• Large Bore or bore out throttle bodies
• Aftermarket exhaust system
• Chimera Short Ram Intake System

Professional installation is highly recommended! Some pre-heating to the engine case or freezing of the crank may be required to aid installation.

Engine break-in, aftermarket fuel controller and special tune/autotune is required! Likewise with any major engine modification or bore up kits, it's now considered a high-performance race engine, extra attention and steps are needed to maintain a high-performance engine.

Disclaimer:

NO WARRANTY ON RACE ENGINE parts or engine bore up kits. There is no warranty stated or implied due to the unusual stresses placed on these parts and because we have no control over how they are installed and used. Steady Garage will not be held liable for any failure or damage caused directly or indirectly from use of these products or engine. The installation and use of these products or engine shall be conclusive evidence that the user assumes full responsibility for any damage caused directly or indirectly by their use.

This product is legal for closed-course competition use only; for racing vehicles (a competition vehicle not used on public highways). Intended for off-road use or race purposes; may not meet regulations of pollution controlled roads or highways. Not legal for vehicles registered and use in California.