Chimera x Yimmy! Honda GET Big Bore 66.6cc Crate Engine

Chimera x Yimmy! Honda GET Big Bore 66.6cc Crate Engine

SKU #: CH-1040

Chimera x Yimmy! Big Bore Honda GET crate engine, currently the highest displacement bore kit available for the GET engines.

Be able to have throttle control! No more wide open throttle (WOT) at all times when you don't need to!

Core exchange is optional. If a CLEAN, usable core Honda GET engine is returned, we will credit you back $100. The engine must be cleaned prior to shipping.

$1,450.00 Out of stock


Availability: Out of stock

Chimera 66cc Honda GET big bore crate engine, built by Yimmy. After 3 years of endless R&D through the Yimmy built 66cc engines, it's ready for the Honda Ruckus, Honda Metropolitan, and Honda Dio community! Each engine is built by Yimmy himself in California.


Specifications: Ported & polished intake and exhaust ports to increase air flow (flow bench tested), Yimmy specification piston and sleeve kit, and much more! Each engine is numbered and tagged with notes and specs for easy future servicing.


    • Chimera Piston and Rings
    • Chimera Cylinder Sleeve
    • Yimmy! Cylinder Machine Work
    • Ported & Polish head, valve work, and combustion chamber work
    • Chimera Headgasket
    • Engine build and special work by Yimmy!


NOTE: Chimera x Yimmy! 66.6cc GET engines are intended for high performance or racing application. Fine tuning is highly recommended to achieve the best performance and results. From years of testing and R&D the Chimera x Yimmy! 66.6cc engine, results have shown very low oil consumption volume. The oil consumption rate is close to stock.  There are no overheating or head gasket issues.


For core engines, only the engine is needed to be shipped back. Remove your carburetor, swing arm, and any aftermarket parts you have on your original 49cc GET engine, i.e. radiator cover, aftermarket oil dipsticks, NGK coil and wire, etc.



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. 


Inventory Note: Chimera X Yimmy! Big Bore engine are personally built by Yimmy himself during his spare time. If there are engines that are on the shelf, it will be shipped out within 2-3 days. If a fresh built is needed, please allow 2-3 week. 

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