KE21V Compatible Piston & Cylinder Set - Kyosho 74035-03  [KY-74035-03]

Kyosho 74035-03 - Piston & Cylinder Set(KE21V)
Price:
AUD$208.53
Brand:
Kyosho
Model:
KY-74035-03
GTIN:
4548565513871
Condition:
Brand New
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Service replacement for KE21V engines

The Kyosho 74035-03 Piston & Cylinder Set is an aftermarket replacement intended for the KE21V engine line. It lets you replace worn pistons or cylinders that cause compression loss, scoring, or inconsistent running.

Install during routine maintenance: remove the head and crankcase following the KE21V instructions, inspect crankshaft and bearings, clean mating faces, fit the piston and cylinder with correct orientation, and check compression before running. The unit supports maintenance and conservative tuning work rather than performance upgrades, helping reinstate factory compression and prolong engine lifespan.

This kit suits hobbyists and pit repairs where a tested-fit replacement is preferred over improvised fixes; always install proper gaskets and follow the engine maker's break-in and tuning process after assembly.
Remark :
Due to limited stock availability, please notice that some Kyosho items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Will fitting this set change needle settings or tuning?

After fitting, you may need minor needle adjustments to reach the original running mixture. Start with baseline settings and fine-tune during break-in runs to achieve stable idle and throttle response.

How should I approach break-in with the new parts?

Perform a controlled break-in: run several short sessions at moderate load, monitor temperature and compression, and avoid extended high-RPM running until seating is confirmed.

Can this set be used for quick track repairs?

Yes. The set is suitable for pit-side swaps when you need a known-fit replacement to get back on track, provided you follow basic service checks and confirm compression before full running.

Should I inspect any other parts when replacing the piston?

Always inspect the crankshaft, bearings, and connecting parts for wear. Replacing pistons while other internals are damaged can lead to repeated failures.

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