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Alternator/Starter Drive Gears

Triumph Adventurer · Clutch & Transmission incl. Gearchange Mechanism · 26 parts · 1 on the shelf in Brea

Exploded parts diagram — Alternator/Starter Drive Gears, Triumph Adventurer

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

Motorcycles this catalogue covers

Adventurer
Choose your year

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

Every part on this diagram

1
T1220800
Alternator Shaft Spares Kit
Qty 1
If your engine number is 56684 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
1
T3150135
Kit fixings
Qty 1
If your engine number is between 56685 and 62371
Triumph has stock
$3.32
Order-in Ask the parts desk
1
T3150129
Bolt
Qty 1
If your engine number is 62372 or higher
Triumph has stock
$3.98
Order-in Ask the parts desk
2
T3550022
Washer, Hardened, M8
Qty 2
Triumph has stock
$2.93
Order-in Ask the parts desk
3
T1220960
Gear assembly
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
4
T1220280
Sleeve
Qty 1
No longer supplied by Triumph → replaced by T1220285
No longer available
Not on our shelf Ask the parts desk
5
3800019-T0301
Needle bearing
Qty 1
Triumph has stock
$63.35
Order-in Ask the parts desk
6
T3500201
Circlip, EXT, 23.5 x 1.2
Qty 1
Triumph has stock
$4.04
Order-in Ask the parts desk
7
1220330-T0301
Thrust washer
Qty 2
Triumph has stock
$0.35
Order-in Ask the parts desk
8
T3800011
Bearing, Ball, 254712
Qty 1
Triumph has stock
$40.57
Order-in Ask the parts desk
9
T3051063
Screw, Cap/Hd, M6 x 16, Enc, Raw
Qty 6
Triumph has stock
$0.53
Order-in Ask the parts desk
10
1220291-T0301
Spacer
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
11
T1220800
Alternator Shaft Spares Kit
Qty 1
If your engine number is 56684 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
11
T1220268
Shaft
Qty 1
If your engine number is 56685 or higher
No longer supplied by Triumph
$120.23
Not on our shelf Ask the parts desk
12
3800020-T0301
Bearing
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
13
T3551283
Washer, M10, 10.5x18x1.6, Slv
Qty 3
Triumph has stock
$1.86
Order-in Ask the parts desk
14
T3051062
Screw, M6 x 12, Enc, Raw
Qty 2
$1.36
In stock in Brea Ask the parts desk
15
T1220247
Housing
Qty 1
Triumph has stock
$58.98
Order-in Ask the parts desk
16
T1220325
Rubber damper
Qty 4
* PART NO LONGER AVAILABLE *
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
17
T3150125
Bolt
Qty 1
PART NO LONGER AVAILABLE - M6 x 16mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
18
3550031-T0301
Belleville washer
Qty 1
Triumph has stock
$0.90
Order-in Ask the parts desk
19
T1220307
Centre
Qty 1
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
20
T1221025
Sprag and clutch assembly
Qty 1
Use with 15 tooth starter gear
Triumph has stock
$362.84
Order-in Ask the parts desk
21
T1220800
Alternator Shaft Spares Kit
Qty 1
If your engine number is 56684 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
21
T3150135
Kit fixings
Qty 1
If your engine number is between 56685 and 62371
Triumph has stock
$3.32
Order-in Ask the parts desk
21
T3350112
Nut
Qty 1
If your engine number is 62372 or higher
Triumph has stock
$7.71
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.