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Alternator & Starter Motor

Triumph Street Twin & Speed Twin 900 · Electrical System · 17 parts

Exploded parts diagram — Alternator & Starter Motor, Triumph Street Twin & Speed Twin 900

Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.

Motorcycles this catalogue covers

Speed Twin 900
2021–2025
Street Twin
2016–2022

Our parts team checks fitment against your motorcycle before any order ships.

Every part on this diagram

1
T1300109
Rotor, Alternator, Low Inertia
Qty 1
Triumph has stock
$888.98
Order-in Ask the parts desk
2
T1300197
Kit, Stator, Alternator
Qty 1
Triumph’s Aug 28, 2026 date has passed, we’ll confirm
$400.10
On backorder Ask the parts desk
3
T3208888
Bolt, Radial Feed, M12 x 40
Qty 1
Triumph has stock
$13.39
Order-in Ask the parts desk
4
T3550846
Washer, M12 x 30 x 8
Qty 1
Triumph has stock
$10.22
Order-in Ask the parts desk
5
T1300895
Key, Woodruff
Qty 1
Triumph has stock
$7.19
Order-in Ask the parts desk
6
T3330728
Screw, Pan/Hd, Tx, M5 x 16, Enc
Qty 2
Triumph has stock
$0.90
Order-in Ask the parts desk
7
T3051082
Screw, Cap/Hd, M6 x 50, Enc
Qty 3
Triumph has stock
$2.01
Order-in Ask the parts desk
8
T1300679
Regulator Rectifier
Qty 1
Triumph has stock
$412.16
Order-in Ask the parts desk
9
T3200190
Bolt, RHHF, M6 x 25, Slv
Qty 2
If the last 6 of your VIN are 780376 or lower
Low stock at Triumph
$2.43
Order-in Ask the parts desk
9
T3202338
Bolt, RHHF, M6 x 28, Slv, Enc
Qty 2
If the last 6 of your VIN are between 780377 and 914972
Triumph has stock
$1.95
Order-in Ask the parts desk
9
T3200190
Bolt, RHHF, M6 x 25, Slv
Qty 2
914973 - All Expt BR & IN; 917475 > - BR & IN Only
Low stock at Triumph
$2.43
Order-in Ask the parts desk
10
T1313222
Starter Motor, 1KW
Qty 1
Triumph has stock
$1153.04
Order-in Ask the parts desk
11
T3600115
O Ring
Qty 1
Triumph’s Sep 4, 2026 date has passed, we’ll confirm
$3.14
On backorder Ask the parts desk
12
T3350003
Locknut, Flanged, M6 x 1
Qty 1
Triumph has stock
$0.62
Order-in Ask the parts desk
13
T3205070
Bolt, HHF, Lghtd, M6 x 30, Slv
Qty 2
Triumph has stock
$2.20
Order-in Ask the parts desk
14
T1300059
Moulding, Regulator Rectifier
Qty 1
> 914972 - All Expt BR & IN, > 917474 - BR & IN Only
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$53.69
On backorder Ask the parts desk
15
T1300104
Spacer, 6.5 x 14 x 3
Qty 1
If the last 6 of your VIN are between 837467 and 914972
Triumph has stock
$7.83
Order-in Ask the parts desk

Diagram and part data from Triumph’s own parts catalogue. Prices and availability are a dated snapshot, not a reservation. Fitment is Triumph’s data — send us the last six of your VIN if you want it checked before you order.

Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700

Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026.