SSP-G 47mm big bore kit for Yamaha Zuma 50F — complete kit showing 3-valve cylinder head, 47mm cylinder barrel, flat-top piston, piston pin, 3-ring set, head gasket, and base gasket SSP-G 47mm big bore kit for Yamaha Zuma 50F — complete kit showing 3-valve cylinder head, 47mm cylinder barrel, flat-top piston, piston pin, 3-ring set, head gasket, and base gasket
SSP-G 47mm big bore kit for Yamaha Zuma 50F — complete kit showing 3-valve cylinder head, 47mm cylinder barrel, flat-top piston, piston pin, 3-ring set, head gasket, and base gasket

SSP-G

SSP-G Zuma 50F Big Bore Cylinder & Head Kit - 47mm

SKU 169-452
$509.00
Shipping calculated at checkout.
Description

SSP-G 47mm big bore cylinder and head kit for Yamaha Zuma 50F, C3 (XF50), and Vino Classic 50cc 4-stroke liquid-cooled scooters. Upgrades displacement from 49cc to 75.6cc for significant power and torque gains. 3-valve cylinder head with SSP-G logo. Flat-top piston. Brass coolant fitting on cylinder barrel.

  • Upgrades to 75.6cc displacement (from 49cc stock)
  • 47mm bore — stud pattern outer diameter: 81.5mm
  • 3-valve cylinder head with SSP-G logo
  • Flat-top piston with 10mm piston pin
  • Intake port width: 49.5mm
  • Brass coolant fitting on cylinder barrel
  • Includes extra head gasket

Kit Contents

  • 47mm cylinder barrel (with brass coolant fitting)
  • 3-valve cylinder head
  • Flat-top piston
  • Piston pin (10mm OD)
  • Piston ring set (3 rings)
  • Head gasket (x2 — includes extra)
  • Base gasket
  • Circlips

Specifications

  • Bore: 47mm
  • Displacement: 75.6cc
  • Cylinder Stud Pattern OD: 81.5mm
  • Cylinder Height: 71.5mm
  • Intake Port Width: 49.5mm
  • Piston Pin OD: 10mm
  • Piston Height: 30mm
  • Piston Compression Height: 16mm
  • Intake Valve Diameter: 15.5mm
  • Exhaust Valve Diameter: 16.5mm
  • Head: 3-valve
  • Cooling: Liquid-cooled

Compatibility

Make Model
Yamaha Zuma 50F (YW50F)
Yamaha C3 / XF50
Yamaha Vino Classic 50 (4T liquid-cooled)

 

Not intended for use on public roads or land. Not legal for use in California on pollution-controlled vehicles — check local laws before installing. A fuel pressure regulator or fuel injection tuner must be used with this kit.

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Upgrades to 75.6cc displacement (from 49cc stock)
  • 47mm bore — stud pattern outer diameter: 81.5mm
  • 3-valve cylinder head with SSP-G logo
  • Flat-top piston with 10mm piston pin | Intake port width: 49.5mm
  • Includes extra head gasket | Brass coolant fitting on cylinder barrel
Specifications

Bore: 47mm | Displacement: 75.6cc | Stud Pattern OD: 81.5mm | Cylinder Height: 71.5mm | Intake Port: 49.5mm | Piston Pin OD: 10mm | Piston Height: 30mm | Compression Height: 16mm | Intake Valve: 15.5mm | Exhaust Valve: 16.5mm | Head: 3-valve | Cooling: Liquid
Model Fitments

Yamaha Zuma 50F (YW50F), Yamaha C3/XF50, Yamaha Vino Classic 50 (4T liquid-cooled)
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