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Camshaft and Drive

Engine no. 186916 and lower

Triumph America · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · 23 parts · 2 on the shelf in Brea

Exploded parts diagram — Camshaft and Drive, Triumph America

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

Triumph lists this drawing for the Bonneville America. Triumph builds more than one machine in this book and they do not all take the same parts. Tell us which one you ride →

Motorcycles this catalogue covers

America
2002–2016

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

Every part on this diagram

1
T1141909
Camshaft, Sub Assy, Inlet
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$422.46
On backorder Order through the parts desk
2
T1141915
Camshaft, Sub Assy, Exhaust
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$422.46
On backorder Order through the parts desk
3
T1140019
Gear, Backlash Eliminator, 48T
Qty 2
$85.42
Available
4
T3550910
Washer Wave Spring
Qty 2
$4.12
Available
5
T3500211
Circlip, Ext, 37 x 1.75c
Qty 2
$1.99
Available
6
T1140058
Torsion Spring, 2.8mm
Qty 2
$6.50
Available
7
T1140129
Idler
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
8
T3990330
Shaft idler
Qty 1
If your engine number is 173084 or lower
$66.01
Available
8
T1141900
Shaft idler
Qty 1
If your engine number is between 173085 and 186916
$59.83
Available
9
T3800065
Bearing, Needle Roller, HK1512
Qty 2
Low stock at Triumph
$11.14
Limited availability
10
T3050910
Screw
Qty 1
M6 x 30mm
Backordered at Triumph · we’ll confirm the ship date after you order
$6.24
On backorder Order through the parts desk
11
T1140923
Thrust washer
Qty 2
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
12
T1140160
Tensioner, Cam Chain, Black
Qty 1
$177.80
Available Order through the parts desk
13
T3203025
Bolt, RHHF, Domed, M6 x 25, S/S
Qty 2
$1.99
Available
14
T1140187
Gasket, Tensioner
Qty 1
$2.60
Available
15
T1140920
Chain, Cam Drive, 134 Links
Qty 1
134 Links
Low stock at Triumph
$117.94
Limited availability
16
T1140921
Blade, Rubbing, Camchain
Qty 1
Rubbing
$74.83
Available
17
T1140922
Blade, Tensioner, Camchain
Qty 1
Tensioner
$102.11
Available
18
T3350044
Domenut, Locking, M6
Qty 1
$2.06
Available
19
T3550542
Washer, Cu, OD12.5 x Id6.4
Qty 1
$1.99
In stock in Brea
20
T3331191
Screw, Pan/Hd, Tx, M6 x 20, Enc
Qty 2
$1.99
In stock in Brea
21
T3550960
Washer spring
Qty 1
If your engine number is 173085 or lower
$5.69
Available
22
T1140740
Plug, Cup Type, 8.0mm
Qty 2
$2.81
Available

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 Oct 15, 2026.