Install guide
How to replace motorcycle lighting
60 minutes at home, 1 h at a workshop (about $95 in labour at US independent rates). Difficulty: moderate.
Job summary
| DIY time | 60 min |
|---|---|
| Shop labour | 1 h |
| Difficulty | Moderate |
| Voltage | 12V DC, regulated |
| Indicator load | LED needs 21W resistors or an LED flasher relay |
| Approval | E-mark / DOT for road use |
Step by step
1. Confirm the part fits
Check the part against your exact model year and, where possible, your VIN. Look for an E-mark or DOT marking for road-legal use
2. Prepare the bike
Park on level ground, use paddock stands or a centre stand as required, let the engine cool, and disconnect the battery negative if you are touching wiring.
3. Remove the old part
Work in the reverse of assembly order, bagging and labelling fasteners. Expect around 24 minutes here on a moderate job.
4. Fit the new part
Voltage: 12V DC, regulated. Fit dry unless the manual calls for grease or thread-lock, and start every fastener by hand.
5. Torque and verify
Torque every fastener to the manual value with a calibrated wrench. Never guess on brake, axle, or engine-mount hardware.
6. Test and re-check
Do a stationary function check, then a slow test ride. Re-check fasteners and settings after the first 100 km.
Do it now if you see these
- Yellowed or hazed headlight lens cutting output
- Hyper-flashing indicators after an LED swap
- Water ingress or condensation inside a unit
Check before you start
- Look for an E-mark or DOT marking for road-legal use
- Budget for load resistors or an LED relay with indicator swaps
- Check connector type before ordering — H4, H7 and bike-specific plugs differ
- Re-aim the beam after any headlight change
Find the right part
FAQ
Why do my new LED indicators flash too fast?
The flasher relay senses low current draw and assumes a bulb failure. Fit load resistors or swap to an LED-compatible relay.