YAMAHA GP 1200 / XL 1200 / XLT 1200 — 1176cc 3-CYL 2-STROKE:
XL 1200 — 1176cc 3-Cyl Triple 2-Stroke 155HP YPVS CDI (2001)
GP 1200 — 1176cc 3-Cyl Triple 2-Stroke 155HP YPVS CDI (2002)
XLT 1200 — 1176cc 3-Cyl Triple 2-Stroke 155HP YPVS CDI (2002-2005)

Verify your part number before purchasing to confirm fitment.

PART NUMBERS:
Yamaha: 66V-W0001-00-00 / 66VW00010000
Yamaha: 66V-W0001-01-00 / 66VW00010100
66VW0001

SPECIFICATIONS:
Type: Top End Gasket Kit
Engine: 66V 1176cc 2-Stroke 3-Cylinder Triple
Bore x Stroke: 80mm x 78mm
Power: 155 HP | Ignition: CDI
Exhaust: YPVS Power Valve | Cooling: Water Cooled

YAMAHA 1200 TOP END GASKET KIT:
Top end gasket kit for Yamaha GP 1200 XL 1200 and XLT 1200 personal watercraft equipped with the 1176cc 2-stroke 3-cylinder triple engine featuring an 80mm bore and 78mm stroke with CDI ignition and YPVS power valve exhaust system producing 155 horsepower. This top end gasket kit includes all the gaskets needed for cylinder head and top end service including head gaskets base gaskets and exhaust gaskets. The 2-stroke marine engine operates under severe thermal cycling which degrades gasket materials over time. Replacing all top end gaskets ensures proper sealing and prevents compression leaks. Always clean all mating surfaces thoroughly before installing new gaskets and torque all fasteners to factory specification for a reliable seal.

⚠️ IMPORTANT: This top end gasket kit fits the Yamaha XL 1200 from 2001 the GP 1200 from 2002 and the XLT 1200 from 2002 through 2005 with the 1176cc 2-stroke 3-cylinder triple engine equipped with YPVS power valves. Verify your part number before ordering.