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C/Case & Ftgs Bonny T100 (Expt Eng No's )

Triumph lists this for more than one model — we will check it against your VIN

Triumph Bonneville · Crankcase, Engine Covers, Lubrication System · 29 parts · 1 on the shelf in Brea

Exploded parts diagram — C/Case & Ftgs Bonny T100 (Expt Eng No's ), 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

Bonneville T120

Bonneville T120 Black

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

Every part on this diagram

1

Crankcase Kit, Slv/Chr

Qty 1

Triumph has stock

$5351.55

Order-in Ask the parts desk

2

Dowel, Hollow, 10 x 14

Qty 4

Low stock at Triumph

$1.66

Order-in Ask the parts desk

3

Bearing Shell, Main, Grooved

Qty -1

White - ** Part No Longer Available **

No longer supplied by Triumph

No longer available

Not on our shelf Ask the parts desk

3

Main Bearing Shell, Grooved

Qty -1

Red

Triumph has stock

$11.76

Order-in Ask the parts desk

3

Bearing Shell, Main, Grooved

Qty -1

Blue - ** Part No Longer Available **

No longer supplied by Triumph

No longer available

Not on our shelf Ask the parts desk

3

Bearing Shell, Main, Grooved

Qty -1

Green - ** Part No Longer Available **

No longer supplied by Triumph

$6.98

Not on our shelf Ask the parts desk

4

Dowel, Hollow, 8 x 14

Qty 2

Triumph has stock

$3.61

Order-in Ask the parts desk

5

Clip, Cable, M10 Fir Tree

Qty 1

If your engine number is 252425 or lower

Triumph has stock

$3.42

Order-in Ask the parts desk

6

Plug, NPSI 3/8 Dryseal

Qty 4

Triumph has stock

$6.16

Order-in Ask the parts desk

7

Bush, S/Arm Pivot, 230M07

Qty 2

Triumph has stock

$13.26

Order-in Ask the parts desk

8

Sightglass, Oil, Dia 20

Qty 1

Triumph has stock

$20.96

Order-in Ask the parts desk

9

Oil Filler Plug, Chromed

Qty 1

Low stock at Triumph

$28.07

Order-in Ask the parts desk

10

O Ring, Filler Cap

Qty 1

Triumph has stock

$1.30

Order-in Ask the parts desk

11

Stud, Cylinder Head

Qty 8

Triumph has stock

$4.85

Order-in Ask the parts desk

12

Barrels, 2 Cyl, Dia 90.0

Qty 1

Triumph has stock

$206.88

Order-in Ask the parts desk

13

Qty 1

Triumph has stock

$25.63

Order-in Ask the parts desk

14

O Ring, ID 18 x 3

Qty 2

Triumph has stock

$2.73

Order-in Ask the parts desk

15

Gasket, Base, 2 Cyl, Dia 90

Qty 1

Triumph has stock

$34.02

Order-in Ask the parts desk

16

Gasket, Breather Plate

Qty 1

No date from Triumph yet

$2.64

On backorder Ask the parts desk

17

Screw, Pan/Hd, Tx, M6 x 16, Slv

Qty 8

$0.90

In stock in Brea Ask the parts desk

18

Qty 1

Triumph has stock

$10.63

Order-in Ask the parts desk

19

Pipe, Breather Drain

Qty 1

Triumph has stock

$11.08

Order-in Ask the parts desk

20

Clip, Hose, 11-12.5mm

Qty 1

Triumph has stock

$5.02

Order-in Ask the parts desk

21

Hose, Breather Drain Extension

Qty 1

No date from Triumph yet

$3.32

On backorder Ask the parts desk

22

Plate, Upper, Breather

Qty 1

Triumph’s Aug 14, 2026 date has passed, we’ll confirm

$41.72

On backorder Ask the parts desk

23

Plate, Lower, Breather

Qty 1

No date from Triumph yet

$5.35

On backorder Ask the parts desk

24

Cable Tie, 185.7 Long

Qty 1

Triumph has stock

$0.83

Order-in Ask the parts desk

25

Qty 1

If your engine number is 336834 or higher

Triumph has stock

$1.30

Order-in Ask the parts desk

26

Extension Lead, Alternator

Qty 1

Triumph has stock

$5.84

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.