OPERATION
140 MM130 (3--88)
2-10
Problem
Cause
Remedy
Excessive belt wear or
breakage
Engine drive belt broken or
slipping
Replace or adjust belt
Belt is over-tensioned or
under-tensioned, causing
slippage
Adjust belt tension
Belt sheaves have moved out of
adjustment
Align sheaves
Belt or sheaves have dirt or oil on
them
Clean sheaves and belt
Engine will not start, or hard
to start
Shorting clip in “stop” position
Set clip in “run” position
to start
Faulty ignition
Check spark plugs, points
Faulty carburetion
Check fuel level, clogged fuel
lines, incorrectly adjusted
carburetor
Low compression
Cylinder head loose, head gasket
leaking, worn piston rings and
valves
Engine overheating
Air filter clogged
Clean or replace
Cooling fins clogged
Clean
Low oil level
Add oil to “full” level
Faulty carburetion
Adjust fuel mixture
Summary of Contents for 140
Page 8: ...SPECIFICATIONS 140 MM130 3 88 1 2 ...
Page 12: ...OPERATION 140 MM130 7 90 2 2 ...
Page 22: ...OPERATION 140 MM130 7 90 2 12 ...
Page 24: ...MAINTENANCE 140 MM130 3 88 3 2 ...
Page 46: ...APPENDIX 140 MM130 12 96 4 2 ...
Page 48: ...APPENDIX 140 MM130 12 96 4 4 ...
Page 54: ...STANDARD MODEL PARTS 140 MM130 7 90 6 2 ...
Page 56: ...STANDARD MODEL PARTS 140 MM130 12 96 6 4 2 3 1 Fig 2 Replacement Brushes ...
Page 68: ...STANDARD MODEL PARTS 140 MM130 12 96 6 16 ...
Page 90: ...ENGINE PARTS 140 MM130 12 96 8 16 ...