Kyosho 74031-06 Piston Pin - KE21SP Engine Service Part  [KY-74031-06]

Kyosho 74031-06 - Piston Pin (KE21SP)
Price:
CAD$14.02
Brand:
Kyosho
Model:
KY-74031-06
GTIN:
4548565349265
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $11.85 each $4.35 or 16%
3+ $11.25 each $8.31 or 20%
Available in warehouse
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Service piston pin Kyosho 74031-06 for KE21SP maintenance

The Kyosho 74031-06 piston pin is made to fit the KE21SP engine, providing a reliable connection between piston and connecting rod to support smooth running and extended component life. This part is an essential item for routine engine upkeep and repairs.

Main benefits and common uses

Hobbyists know that a correctly fitting piston pin reduces lateral play and uneven wear. The Kyosho 74031-06 matches KE21SP tolerances to promote consistent motion and lower internal friction. Whether you are rebuilding for track performance or regular backyard running, replacing a worn pin helps keep the engine dependable.

Will this fit engines other than KE21SP?

This part is produced to the KE21SP specification. It is intended for that engine and may not fit other models without checking dimensions and clearances first.

How do I check the piston pin for wear?

Inspect for scoring, flattening, or excess play between the pin, piston bore and small end of the rod. Any visible irregularities or looseness are signs to replace the pin.

Can I reuse an old pin after cleaning?

If the pin shows no wear and fits tightly with no play, it may be reused, but best practice is to install a new Kyosho 74031-06 when rebuilding to ensure correct tolerances and long term reliability.

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