10
. CRANKCASE/CRANKSHAFT
3
BR & M2 250 ENGINE
CRANKCASE SEPARATION
Remove the cam chain tensioner slipper bolt.
Remove the cam chain tensioner slipper and cam
chain.
Remove the three right crankcase attaching bolts.
Remove the left crankcase.
Place the crankcase with the left crankcase down
and remove the right crankcase from the left
crankcase.
Remove the gasket and dowel pins.
Remove the crankshaft from the left crankcase.
Remove the oil seal from the left crankcase.
Cam Chain Tensioner Slipper
Cam Chain
Bolt
•
Never use a driver to pry the crankcase
mating surfaces apart.
*
Left Crankcase
Crankshaft
Right Crankcase
Left Crankcase
Left Crankcase
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...