CYLINDER & PISTON KIT GASKETS 02 YAMAHA DT 125 L K 56.00mm STD 4-STUD HEAD 18G-11311-02
Available from Supplier — dispatched directly
This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.
Looking to purchase?
Call or WhatsApp us on 01793 239039
or email Office@btpsouthwest.uk
Our team is on hand to help with availability, advice and finance options.
CYLINDER & PISTON KIT GASKETS 02 YAMAHA DT 125 L K 56.00mm STD 4-STUD HEAD 18G-11311-02 is available to order. Please contact us to confirm availability and lead time.
Pickup currently unavailable at Braydon Trailers HQ
BTP – Your Trusted Trailer & ATV Specialists in the South West
Authorised dealer for top brands, including CFMOTO, Brian James, Debon, Cheval Liberté, Tiki, Woodford, Erde, and more.
Description
Description
This cylinder and piston kit with gaskets is intended for a top-end rebuild on the listed Yamaha DT125 models with a four-stud head. It provides the principal components needed to replace the existing cylinder and piston assembly.
Features
- Cylinder liner can be rebored.
- The original reed valve and inlet manifold may not fit the replacement cylinder and are not included.
Specifications
- Standard bore: 56.00 mm
- Inlet mounting centres: 71 × 52 mm
- Cylinder height between gasket faces: approximately 90 mm
- Piston pin centre to crown edge: approximately 35 mm
- Cylinder material: aluminium
- Liner material: cast iron
Kit Contents
- Cylinder block
- Piston, piston rings, piston pin and two pin retaining rings
- Four-hole head gasket and cylinder base gasket
Cross-Reference OEM Part Numbers
- 18G-11311-02 - Yamaha OEM - Cylinder - Kit Component
- 18G-11311-01 - Yamaha OEM - Cylinder - Related Part
- 18G-11311-00 - Yamaha OEM - Cylinder - Related Part
- 18G-11631-01-96 - Yamaha OEM - Standard piston - Kit Component
- 3TL-11603-00 - Yamaha OEM - Standard piston ring set - Kit Component
- 4Y2-11633-00 - Yamaha OEM - Piston pin - Kit Component
- 93450-17025 - Yamaha OEM - Piston pin retaining clip - Kit Component
- 2A6-11181-00 - Yamaha OEM - Cylinder head gasket - Kit Component
- 18G-11351-02 - Yamaha OEM - Cylinder base gasket - Kit Component
- 18G-11111-01 - Yamaha OEM - Cylinder head - Related Part
- 18G-11635-01 - Yamaha OEM - 0.25 mm oversize piston - Alternative Part
- 3TL-11604-00 - Yamaha OEM - 0.25 mm oversize piston ring set - Alternative Part
- 18G-11636-01 - Yamaha OEM - 0.50 mm oversize piston - Alternative Part
- 3TL-11605-00 - Yamaha OEM - 0.50 mm oversize piston ring set - Alternative Part
Vehicle Fitments
YAMAHA
- DT125 (2002–2003, 2005–2012, 2014, 2017, 2019–2026)
- DT125D (2002, 2004)

