Two Brothers Racing Honda XR50R - Manual (Page 8)

O-Ring (Green)
Knock Pins (14mm)
Cylinder Base Gasket
Cylinder
Knock Pins (12mm)
Piston
Camchain Roller
Bolt Washer Wrist Pin
Camchain Roller Bolt
O-Ring (Black)
C-Clip
*Note direction
of arrow (points down)
O-Ring (Black)
Camchain Roller
Manifold
Spark Plug
Side Cover
Side Cover Gasket
*Note location of nut (x1) vs. acorn nuts (x3)
Head Gasket
Cylinder Side Bolt
Cam Cover
Cam Cover Gasket
Cam Sprocket
Camshaft
Stock Head N1
XR50R 88cc Engine Build Instructions.qxd PAGE 8
Exploded diagram of 81.2cc E-Stage and 88cc S-Stage Engine