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Yamaha RD250 / RZ250 / RD250LC (4L1) — Piston Kits (2) — +0.75mm / 54.75mm — 4L1-1163X
A matched pair of oversize piston kits for the RD250 two-stroke twin — pistons, rings, pins and circlips for both cylinders in one purchase, ready for a bored-out top end.
WHAT YOU GET (x2 complete kits — full engine set)- 2 x Pistons — 54.75mm- 2 x Piston Ring Sets- 2 x Piston Pins (wrist pins)- 2 x Sets of Piston Circlips
SPECIFICATION- Part Number (O.E.M. reference): 4L1-1163X- Model code: 4L1- Size: +0.75mm oversize / 54.75mm- Quantity: 2 complete kits (full engine set)- Brand: IMD- Condition: New
FITMENT- Yamaha RD250- Yamaha RZ250- Yamaha RD250LC
This is the 250 (4L1) engine. It does NOT fit the RD350 / RZ350, which uses a larger bore and a different piston — check your model before ordering.
SIZE CHECKThis is a +0.75mm OVERSIZE set for a 54.75mm bore. Your barrels must already be bored to 54.75mm to suit — it will NOT fit a standard 54.00mm bore engine. Please measure your bores before ordering. Where possible, all parts are listed by part number (O.E.M.). Buyer is responsible for confirming the correct size and fitment for their engine.
Fitting should be carried out by a competent engineer. No liability can be accepted for parts incorrectly fitted, or for any failure of such parts after fitting.
POSTAGE & RETURNS- Dispatched from Chester, United Kingdom within 1 working day of cleared payment- Royal Mail International Tracked- 30-day returns accepted — buyer pays return postage- Buyer is responsible for any import duties, taxes or customs charges in the destination country
Ideal for an RD250 / RZ250 engine rebuild, restoration or custom build.