
SR16 125
2025 - 2026
Torque specifications
Notes from the manual (3)
- Values from the manual's 'Routine check table for key fastening parts'.
- Steering stem dust-proof nut uses a non-standard preload procedure - see notes column.
- Two ABS-oil-tube entries for the same fastener category but different positions: 24 N·m on the controller side, 35 N·m on the brake-pump side.
Wheels & Brakes
| Ref | Fastener | Thread | Qty | Torque |
|---|---|---|---|---|
| 1 | Brake lower pump bolt Ref 1 · M8×1.25 · Qty 4 | M8×1.25 | 4 | 30 ± 4 N·m |
| 6 | Front wheel bolt + nut Ref 6 · M12×1.25 · Qty 1 | M12×1.25 | 1 | 50 ± 5 N·m |
| 7 | Disc brake plate bolt Ref 7 · M8×1.25 · Qty 9 | M8×1.25 | 9 | 26 ± 4 N·m |
| 8 | Gear ring (ABS) bolt Ref 8 · M5 · Qty 7 | M5 | 7 | 4.5 ± 0.9 N·m |
| 19 | Rear output shaft locking nut Ref 19 · M16×1.5 · Qty 1 | M16×1.5 | 1 | 120 ± 5 N·m |
| 22 | Brake upper pump bolt Ref 22 · M6 · Qty 4 | M6 | 4 | 9 ± 1.35 N·m |
| 23 | ABS oil tube bolt (controller) Ref 23 · M10×1.0 · Qty 4 | M10×1.0 | 4 | 24 ± 3 N·m |
| 24 | ABS oil tube bolt (pump) Ref 24 · M10×1.25 · Qty 4 | M10×1.25 | 4 | 35 ± 5.25 N·m |
Steering & Suspension
| Ref | Fastener | Thread | Qty | Torque |
|---|---|---|---|---|
| 2 | Handlebar bolt + nut Ref 2 · M10×1.25 · Qty 1 | M10×1.25 | 1 | 60 ± 5 N·m |
| 3 | Steering stem dust-proof nut Ref 3 · M26×1 · Qty 1 | M26×1 | 1 | Special procedure |
| Special procedure: Steering stem dust-proof nut Fasten front wheel to 80 N·m, swing left and right twice, back off 1/2 turn, then lock at 10 N·m. Bearing-preload procedure - get this wrong and steering binds or develops play. | ||||
| 4 | Steering stem locking nut Ref 4 · M26×1 · Qty 1 | M26×1 | 1 | 65 ± 5 N·m |
| 5 | Front shock absorber bolt Ref 5 · M10×1.25 · Qty 4 | M10×1.25 | 4 | 40 ± 5 N·m |
| 12 | Rear shock absorber nut Ref 12 · M12×1.25 · Qty 2 | M12×1.25 | 2 | 50 ± 5 N·m |
| 13 | Rear shock absorber bolt Ref 13 · M8×1.25 · Qty 2 | M8×1.25 | 2 | 26 ± 4 N·m |
| 18 | Rear shock connective bolt Ref 18 · M10×1.25 · Qty 2 | M10×1.25 | 2 | 40 ± 5 N·m |
Engine & Frame
| Ref | Fastener | Thread | Qty | Torque |
|---|---|---|---|---|
| 9 | Fuel tank bolt Ref 9 · M8×1.25 · Qty 4 | M8×1.25 | 4 | 22 ± 3.3 N·m |
| 10 | Side stand bolt + nut Ref 10 · M10×1.25 · Qty 1 | M10×1.25 | 1 | 40 ± 5 N·m |
| 11 | Engine holder shaft + nut Ref 11 · M10×1.25 · Qty 2 | M10×1.25 | 2 | 50 ± 5 N·m |
| 21 | Air filter bolt Ref 21 · M6 · Qty 2 | M6 | 2 | 9 ± 1.35 N·m |
| 25 | High-pressure fuel tube clamp Ref 25 · Clamp kit · Qty 2 | Clamp kit | 2 | 4.5 ± 0.5 N·m |
Bodywork & Accessories
| Ref | Fastener | Thread | Qty | Torque |
|---|---|---|---|---|
| 14 | Pillion step bolt Ref 14 · M8×1.25 · Qty 4 | M8×1.25 | 4 | 22 ± 3.3 N·m |
| 15 | Windshield bracket bolt + nut Ref 15 · M8×1.25 · Qty 2 | M8×1.25 | 2 | 26 ± 4 N·m |
| 16 | Muffler cap-shaped nut Ref 16 · M8×1.25 · Qty 2 | M8×1.25 | 2 | 26 ± 4 N·m |
| 17 | Muffler bolt Ref 17 · M8×1.25 · Qty 3 | M8×1.25 | 3 | 26 ± 4 N·m |
| 20 | Rear luggage case bolt Ref 20 · M8×1.25 · Qty 3 | M8×1.25 | 3 | 22 ± 3.3 N·m |