2006-2009 Suzuki LT-R450 Service Manual, Page 348Get this manual
ELECTRICAL SYSTEM
Step 1) Measure the generator no-load performance (c:::T S-10) Is the generator no-load performance OK?
IGo to Step 6Step 1) Inspect the regulatorrectifier(c:::T S-10) Is the regulatorrectifier OK?
YES NO Go to Step 7Faulty regulatorrectifier
Step 1) Inspect wiringsIs the wirings OK?
YES NO Faulty battery