Suzuki RM/PE250 Piston – STD Bore 67.0 mm – 12110-41603 – Genuine OEM

Genuine Suzuki standard-bore piston (67 mm) for classic RM250 / PE250 1977–1979 models. Perfect for period-correct rebuilds or restoring an old-school motocrosser. New old stock OEM part number 12110-41603. Full

Bring your vintage 250 two-stroke back to life with this genuine Suzuki piston.

This is the correct standard-size (STD) piston used in late-70s RM250 and PE250 engines. Suzuki offered this piston family in STD, 0.25 mm and 0.50 mm oversizes (-025 / -050)
Your part 12110-41603 is the STD bore version – ideal when your cylinder is still on its original 67.0 mm bore or has been replated back to standard. ✅ OEM Details

Part number: 12110-41603 (Piston, standard size)

Bore size: 67.0 mm (STD for RM/PE250 of this era)

Model family: Suzuki PE250 / RM250 two-stroke single

Type: Bare piston – does not include wrist pin, circlips or rings (sold separately) 🏍 Confirmed Fitment

This piston is specified for:

Suzuki RM250 – 1977–1979

Suzuki PE250 – 1977–1979

(It also cross-references to later supersession part 12103-40891-050 in Suzuki’s replacement listings

If you’re unsure, flick us your frame/VIN and year and we’ll double-check fitment for you before you buy. 🛠 Why use OEM?

Correct crown shape and port window for proper scavenging and power

Proper skirt clearance and alloy spec – designed for these air-cooled cylinders

Fits factory wrist pin and ring set with no mods

Ideal for restorations and period race bikes where you want factory reliability 🧼 Condition

New old stock (NOS) genuine Suzuki

Stored on the shelf – may have light marks on the box from age, but the piston itself is unused. Shopify Bullet Points (copy straight into the “Key features" section)

Genuine Suzuki OEM piston – part 12110-41603

Standard bore 67.0 mm – RM/PE250 1977–1979

Correct crown and skirt design for stock port timing

Suits classic RM250 & PE250 air-cooled two-stroke engines

Bare piston only – rings, pin & circlips sold separately

Perfect for restorations, vintage MX and reliable rebuilds