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Crankshaft/Conn Rod and Pistons - Bonneville T100

Triumph Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · 27 parts · 2 on the shelf in Brea

Exploded parts diagram — Crankshaft/Conn Rod and Pistons - Bonneville T100, Triumph Bonneville

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

Motorcycles this catalogue covers

Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026

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

Every part on this diagram

1
T1100907
Kit, Crank/Alt Bolt & Washer
Qty 1
If your engine number is 118829 or lower
Availability unconfirmed
$1302.68
Not on our shelf Ask the parts desk
1
T1100908
Crankshaft Assy
Qty 1
If your engine number is between 118830 and 236541
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
1
T1100916
Crankshaft Assy
Qty 1
If your engine number is 236542 or higher
Triumph has stock
$1302.68
Order-in Ask the parts desk
2
T1100913
Spacer, Crankshaft
Qty 1
Triumph has stock
$14.61
Order-in Ask the parts desk
3
T1100105
Centrifugal Breather
Qty 1
If your engine number is between 229407 and 221608
Triumph has stock
$61.60
Order-in Ask the parts desk
4
T3330186
Screw, Pan HD, Tx, M6 x 25, Slv
Qty 2
Eng No 221609 > (Except Eng No's 229407 to 230164)
Triumph has stock
$2.93
Order-in Ask the parts desk
4
T3331042
Screw, Pan/Hd, Tx, M6 x 12, Enc
Qty 2
Eng No 221609 > (Except Eng No's 229407 to 230164)
$1.30
In stock in Brea Ask the parts desk
5
T1110500
Con Rod, Short Stroke
Qty 2
NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
5
T1110500
Con Rod, Short Stroke
Qty 2
If your engine number is 253371 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
5
T1110111
Con Rod Assy, Short Stroke
Qty 2
Triumph has stock
$160.14
Order-in Ask the parts desk
6
T1110060
Bolt Con Rod
Qty 4
Use with con Rods 1110120-T0301 & T1110111 only
Triumph’s Aug 7, 2026 date has passed, we’ll confirm
$9.77
On backorder Ask the parts desk
7
T1110016
Nut, Con Rod
Qty 4
Can only be used with 1110120-T0301 & T1110111
Triumph has stock
$8.97
Order-in Ask the parts desk
8
1110051-T0301
Bearing, Con Rod Shell, White
Qty -1
Can only be used with 1110120-T0301
No longer supplied by Triumph
$4.60
Not on our shelf Ask the parts desk
8
1110052-T0301
Bearing, Con Rod Shell, Red
Qty -1
Can only be used with 1110120-T0301
Triumph has stock
$5.92
Order-in Ask the parts desk
8
1110053-T0301
Bearing, Con Rod Shell, Blue
Qty -1
Can only be used with 1110120-T0301
Triumph has stock
$9.43
Order-in Ask the parts desk
9
T1120900
Piston Assy
Qty 2
If your engine number is 211132 or lower
Triumph has stock
$228.86
Order-in Ask the parts desk
9
T1121015
Piston Assy
Qty 2
If your engine number is 211133 or higher
Triumph has stock
$228.86
Order-in Ask the parts desk
10
T1120800
Gudgeon pin
Qty 2
If your engine number is 211132 or lower
Triumph has stock
$7.05
Order-in Ask the parts desk
10
T1121060
Gudgeon Pin
Qty 2
If your engine number is 211133 or higher
Triumph has stock
$12.20
Order-in Ask the parts desk
11
1120015-T0301
Circlip, Piston
Qty 4
If your engine number is 211132 or lower
Low stock at Triumph
$1.12
Order-in Ask the parts desk
11
T1121072
Circlip, Piston
Qty 4
If your engine number is 211133 or higher
Low stock at Triumph
$2.20
Order-in Ask the parts desk
12
T1120903
Piston Ring Set
Qty 2
If your engine number is 211132 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
T1121055
Piston Ring Set
Qty 2
If your engine number is 211133 or higher
Triumph has stock
$109.14
Order-in Ask the parts desk
13
T1110301
Conrod Bolt, M8 x 0.75 x 42
Qty 2
Can Only Be Used With T1110500
$12.20
In stock in Brea Ask the parts desk
14
T1110055
Bearing, Con Rod Shell, Red
Qty 2
Can Only Be Used With T1110500 & T1110111
Triumph has stock
$11.76
Order-in Ask the parts desk
14
T1110054
Bearing, Con Rod Shell, White
Qty 2
Can Only Be Used With T1110500 & T1110111
Triumph has stock
$9.43
Order-in Ask the parts desk
14
T1110056
Bearing Con Rod Shell, Blue
Qty 2
Can Only Be Used With T1110111
Triumph has stock
$11.76
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.