Symptom | Possible cause(s) |
Starter relay does not click, starter motor does not turn | Battery discharged or defective |
Blown main or starter relay fuse | |
Defective starter relay wiring or starter switch | |
Check that the sidestand, transmission and clutch lever are positioned for engine starting I.E. transmission in neutral, clutch lever pulled in and the sidestand down | |
Defective alarm system - ensure any alarm fitted is working correctly | |
Starter motor turns slowly | Battery discharged or defective |
Loose, corroded or dirty battery connections | |
Loose, corroded or dirty starter motor or starter relay connections | |
Defective starter motor | |
Loose, corroded or dirty battery ground connections | |
Starter relay clicks but engine does turn over | Battery discharged or defective |
Crankshaft does not turn due to engine defect | |
Defective starter motor | |
Starter cable open circuit | |
Defective starter relay | |
Starter motor turns but engine does not turn over | Defective sprag clutch |
Defective idler gear, reduction gear or starter motor |