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Engine Covers

Triumph Speed 400 · Crankcase, Engine Covers, Lubrication System · 36 parts · 1 on the shelf in Brea

Exploded parts diagram — Engine Covers, Triumph Speed 400

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

Motorcycles this catalogue covers

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

Every part on this diagram

1

Cover, Cylinder Head

Qty 1

Triumph has stock

$74.12

Order-in Ask the parts desk

2

Gasket, Cylinder Head Cover

Qty 1

Triumph has stock

$36.70

Order-in Ask the parts desk

3

Sleeve, Spark Plug

Qty 1

Triumph has stock

$26.63

Order-in Ask the parts desk

4

Qty 1

Triumph has stock

$2.09

Order-in Ask the parts desk

5

Qty 2

Low stock at Triumph

$1.29

Order-in Ask the parts desk

7

Qty 4

Triumph has stock

$1.29

Order-in Ask the parts desk

9

Qty 4

Low stock at Triumph

$2.00

Order-in Ask the parts desk

10

Clutch Cover Assy, TA541202

Qty 1

Triumph has stock

$127.52

Order-in Ask the parts desk

11

Cover, LH, Front TA54128, Rvn Blk JN35ON

Qty 1

Triumph has stock

$38.24

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12

Gasket, Clutch Cover

Qty 1

$11.61

In stock in Brea Ask the parts desk

13

Bearing Ball Ordinary Clearance

Qty 1

Triumph has stock

$9.66

Order-in Ask the parts desk

14

Bolt, Flanged, M6 x 1

Qty 17

Triumph has stock

$0.84

Order-in Ask the parts desk

15

Bolt, Socket, M5 x 0.8

Qty 2

Triumph has stock

$0.20

Order-in Ask the parts desk

17

Qty 5

Triumph has stock

$0.29

Order-in Ask the parts desk

18

Bolt, Flanged, M6 x 1

Qty 4

Triumph has stock

$0.53

Order-in Ask the parts desk

19

Bolt, Flanged, M5 x 0.8

Qty 1

Triumph has stock

$0.20

Order-in Ask the parts desk

20

Bracket, Harness

Qty 1

Triumph has stock

$2.41

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21

Qty 1

Triumph has stock

$4.07

Order-in Ask the parts desk

22

O Ring, 15.8 x 2.4

Qty 1

Triumph has stock

$0.16

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23

Cover Magneto Inner

Qty 1

Triumph has stock

$69.56

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24

Gasket, Cover Magneto Outer

Qty 1

Triumph has stock

$7.52

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26

Cover, Magneto Outer, TA541201

Qty 1

Triumph has stock

$67.33

Order-in Ask the parts desk

27

Bolt, Flanged, M6 x 60mm

Qty 8

Triumph has stock

$0.94

Order-in Ask the parts desk

28

Gasket, Cover Magneto Inner

Qty 1

Triumph has stock

$9.87

Order-in Ask the parts desk

29

Bolt, Flanged, M6 x 1

Qty 1

Triumph has stock

$0.32

Order-in Ask the parts desk

30

Qty 1

Triumph has stock

$0.90

Order-in Ask the parts desk

31

Qty 1

Triumph has stock

$15.98

Order-in Ask the parts desk

32

Qty 1

Triumph has stock

$14.07

Order-in Ask the parts desk

33

Qty 1

Triumph has stock

$23.95

Order-in Ask the parts desk

34

Garnish, Cover, Rear, RH

Qty 1

Part Not Illustrated

Triumph has stock

$12.11

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35

Bolt, Flgd, M6 x 1

Qty 2

Part Not Illustrated

Triumph has stock

$0.75

Order-in Ask the parts desk

36

Bolt, Socket, M6 x 1

Qty 2

> A25050 OR > CB3897 depending on VIN Format

Triumph has stock

$0.24

Order-in Ask the parts desk

36

Bolt, Socket, M6 x 1

Qty 2

A25051 > OR CB3898 > depending on VIN Format

Triumph has stock

$0.32

Order-in Ask the parts desk

37

Bolt, Flanged, M5 x 0.8

Qty 2

Part Not Illustrated

Triumph has stock

$0.09

Order-in Ask the parts desk

38

Cover, Rear, RH

Qty 1

Part Not Illustrated

Triumph has stock

$23.28

Order-in Ask the parts desk

39

Guard, Cover, Rear, RH

Qty 1

Part Not Illustrated

Triumph has stock

$12.54

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.