Engine Management System
Triumph Bonneville Speedmaster · Electrical System · 23 parts · 4 on the shelf in Brea
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Triumph lists this drawing for the Bonneville Speedmaster, VIN AC1200 and lower.
Triumph builds more than one machine in this book and they do not all take the same parts.
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Motorcycles this catalogue covers
Our parts team checks fitment against your motorcycle before any order ships.
Every part on this diagram
9
T1290321
Ignition Coil Assy, Long
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$193.62
On backorder
24
T1291061
Hose, Map Sensor
Qty 1
If the last 6 of your VIN are 978424 or higher
Backordered at Triumph · we’ll confirm the ship date after you order
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.