Emissions Control
VIN 317246 and lower
Triumph Thruxton · Fuel & Exhaust Systems · 17 parts · 1 on the shelf in Brea
Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.
Triumph lists this drawing for the Thruxton, Thruxton EFI, Thruxton A1, Thruxton SE A1, Thruxton A2, Thruxton ACE.
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
Our parts team checks fitment against your motorcycle before any order ships.
Every part on this diagram
1
3
T1250030
Cover, Reed Valve, LH
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$15.42
On backorder
4
T1250035
Cover, Reed Valve, RH
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$15.42
On backorder
5
T1252500
Restrictor,Vacuum Line,Sai
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$10.49
On backorder
7
8
T1252550
Hose, Corrugated, ID 4.2 x 440
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$25.75
On backorder
11
16
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.