Stihl MS 650 Manual page 103

Component
Generator
Generator
102
Ohmmeter connection
(use either test lead)
Lead 1 Lead 2
Connector Ground
on yellow
wire
Connector Connector
on yellow on red
wire wire
Resistance Ω
If faulty
Spec. Actual Cause
0.5 0.3...1.0 Generator OK
- Break in wire,
generator damaged
0 Short circuit –
damaged insulation
1.0 0.8...1.8 Generator OK
- Break in wire,
generator damaged
0 Short circuit –
damaged insulation
Remedy
Install new
generator
Repair
insulation
Install new
generator
Install new
generator
MS 650, MS 660