G740BPU Piston Ring K285041210 for Zenoah Engines  [K285041210]

ZENOAH PISTON RING G740BPU #285041210
Price:
NZD$12.01
Brand:
Zenoah
Model:
K285041210
Condition:
Brand New
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Engine sealing ring for G740BPU

This Zenoah piston ring carries the part number K285041210 and is specified for G740BPU nitro RC engines. It is offered as a replacement component for engine rebuilds and hobby tuning tasks on compatible Zenoah G740BPU units.

Role in operation: the ring creates the gas seal on the piston, reduces blow-by, and supports compression control during break-in and tuning. Always examine the piston and cylinder for wear marks and verify the ring end clearance prior to assembly.

Fitting advice: press the ring evenly into the piston groove, note any marking that indicates the correct side, and offset gaps if multiple rings are fitted. Complete a normal run-in and tuning check after installation to confirm sealing.

Will this K285041210 work in non-G740BPU Zenoah engines?

Compatibility depends on ring dimensions and piston profile. Even though the part lists G740BPU, measure your engine's ring seat and compare before ordering.

Any tips for correct ring orientation during fitment?

If the ring has a marked face, fit that face as recommended and work the ring into the groove with steady pressure; avoid twisting to prevent damage.

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