Free shipping on qualifying gear orders $99+ • Easy returns

Piston & Cylinder

Triumph Speed 400 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · 8 parts

Exploded parts diagram — Piston & Cylinder, 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

Speed 400
2024–2026

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

Every part on this diagram

1
36TA0064
Kit, Cylinder Block Piston Assy
Qty 1
Triumph has stock
$920.65
Order-in Ask the parts desk
2
36TA0090
Cylinder Block with Decal
Qty 1
Triumph has stock
$629.94
Order-in Ask the parts desk
3
36TA0062
Kit, Piston Ring
Qty 1
Triumph has stock
$76.97
Order-in Ask the parts desk
4
JP521214
Piston Assembly
Qty 1
Triumph has stock
$475.17
Order-in Ask the parts desk
5
JF521300
Circlip
Qty 2
Triumph has stock
$0.53
Order-in Ask the parts desk
6
TA521000
Gasket, Block Cylinder
Qty 1
Low stock at Triumph
$5.29
Order-in Ask the parts desk
7
39218106
Pin Dowel Dia 14
Qty 2
Triumph has stock
$0.96
Order-in Ask the parts desk
8
TA233010
Decal, Cylinder Block
Qty 1
Triumph has stock
$45.94
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.