5
. CYLINDER/PISTON
6
BR & M2 250 ENGINE
Service Limit
: 0.05mm repair or replace if over
Measure the connecting rod small end I.D.
Service Limit
: 17.06mm replace if over
PISTON RING INSTALLATION
Install the piston rings onto the piston.
Apply engine oil to each piston ring.
PISTON INSTALLATION
Second
Side Rail
Top
•
Be careful not to damage the piston and
piston rings during assembly.
•
All rings should be installed with the
markings facing up.
•
After installing the rings, they should rotate
freely without sticking.
•
Stagger the ring end gaps as the figure
shown.
*
Second
Top
Side Rail
Oil Ring
Содержание Bug Rider BR-250
Страница 1: ...BR 250 BR 250SS M2 250 SERVICE MANUAL Manufactured by PGO of Motive Power Industry Co Ltd...
Страница 34: ...4 CYLINDER HEAD VALVES 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 46: ...5 CYLINDER PISTON 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 55: ...6 DRIVE AND DRIVEN PULLEYS KICK STARTER 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 71: ...7 FINAL REDUCTION 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 82: ...8 CARBURETOR BR M2 250 ENGINE...
Страница 90: ...9 A C GENERATOR STARTER CLUTCH 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 97: ...10 CRANKCASE CRANKSHAFT 1 BR M2 250 ENGINE SCHEMATIC DRAWING...
Страница 103: ...10 CRANKCASE CRANKSHAFT 7 BR M2 250 ENGINE Torque 7 8 11 8N m Cam Chain Tensioner Slipper Bolt...
Страница 105: ...11 COOLING SYSTEM 1 BR M2 250 ENGINE SCHEMATIC DRAWING...