5
. CYLINDER/PISTON
3
BR & M2 250 ENGINE
CYLINDER REMOVAL
Remove the cylinder head. (
ð
4-7)
Remove the water hose from the cylinder.
Remove the cam chain guide.
Remove the cylinder.
Remove the cylinder gasket and dowel pins.
Clean any gasket material from the cylinder
surface.
PISTON REMOVAL
Remove the piston pin clip.
Press the piston pin out of the piston.
Dowel Pins
Gasket
Place a clean shop towel in the crankcase to
keep the piston pin clip from falling into the
crankcase.
*
Water Hose
Cam Chain Guide
Cylinder
Shop Towel
Piston Pin
Piston
Piston Rings
Summary of Contents for Bug Rider BR-250
Page 1: ...BR 250 BR 250SS M2 250 SERVICE MANUAL Manufactured by PGO of Motive Power Industry Co Ltd...
Page 34: ...4 CYLINDER HEAD VALVES 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 46: ...5 CYLINDER PISTON 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 55: ...6 DRIVE AND DRIVEN PULLEYS KICK STARTER 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 71: ...7 FINAL REDUCTION 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 82: ...8 CARBURETOR BR M2 250 ENGINE...
Page 90: ...9 A C GENERATOR STARTER CLUTCH 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 97: ...10 CRANKCASE CRANKSHAFT 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Page 103: ...10 CRANKCASE CRANKSHAFT 7 BR M2 250 ENGINE Torque 7 8 11 8N m Cam Chain Tensioner Slipper Bolt...
Page 105: ...11 COOLING SYSTEM 1 BR M2 250 ENGINE SCHEMATIC DRAWING...