![[USED] Yamaha SR400 Top Bridge Main Ignition Key Set ECU RH03J FI](http://shop.mega-garage.com/cdn/shop/files/10339918217447_main.jpg?v=1792576200&width=1946)
![[USED] Yamaha SR400 Top Bridge Main Ignition Key Set ECU RH03J FI](http://shop.mega-garage.com/cdn/shop/files/10339918217447_main.jpg?v=1792576200&width=1445)
Product details
Condition
Top bridge with main ignition key set and ECU removed from a running 2019 Yamaha SR400 fuel-injected motorcycle.
Chassis number RH03J-009***, Engine number H329E-009***, 35mm diameter.
Inclusion: Top bridge, main key set, ECU.
Key switching confirmed; main key has some resistance.
Operation verified.
Used part removed from a running vehicle. Shows signs of use including scratches and scuffs. Main key has some stiffness. Everything shown in the photos is included. Operation verified.
More parts for Yamaha SR400
All Yamaha parts (211) →-
[USED] Yamaha SR400 RH03J-006 Ignition Key Set ECU Igniter 2016
Regular price $880.02 USDRegular price -
[USED] Keihin CR Special Carburetor 38mm Yamaha SR400
Regular price $1,398.72 USDRegular price -
[USED] Yamaha SR400 SR500 Mikuni Carburetor OEM 1JR
Regular price $298.91 USDRegular price -
[USED] Yamaha SR400 RH01J Front Disc Carburetor Carb
Regular price $258.93 USDRegular price -
[USED] Yamaha SR400 RH03J Ignition Key Set CDI Main Switch 5pc
Regular price $623.95 USDRegular price -
[USED] Yamaha Dragstar 400 Stem Top Bridge Triple Tree RGA-159A
Regular price $475.46 USDRegular price -
[USED] Yamaha FZR400R Top Bridge Stem 1WG Carb
Regular price $237.69 USDRegular price -
[USED] Rare Yamaha Dragstar 400 1100 Classic Steering Head Stem Set
Regular price $559.91 USDRegular price
![[USED] Yamaha SR400 RH03J-006 Ignition Key Set ECU Igniter 2016](http://shop.mega-garage.com/cdn/shop/files/10344555577575_main.jpg?v=1792582640&width=533)
![[USED] Keihin CR Special Carburetor 38mm Yamaha SR400](http://shop.mega-garage.com/cdn/shop/files/10344553382119_main.jpg?v=1792582465&width=533)
![[USED] Yamaha SR400 SR500 Mikuni Carburetor OEM 1JR](http://shop.mega-garage.com/cdn/shop/files/10344552923367_main.jpg?v=1792582430&width=533)
![[USED] Yamaha SR400 RH01J Front Disc Carburetor Carb](http://shop.mega-garage.com/cdn/shop/files/10344552628455_main.jpg?v=1792582400&width=533)
![[USED] Yamaha SR400 RH03J Ignition Key Set CDI Main Switch 5pc](http://shop.mega-garage.com/cdn/shop/files/10344543125735_main.jpg?v=1792581526&width=533)
![[USED] Yamaha Dragstar 400 Stem Top Bridge Triple Tree RGA-159A](http://shop.mega-garage.com/cdn/shop/files/10344573698279_main.jpg?v=1792584425&width=533)
![[USED] Yamaha FZR400R Top Bridge Stem 1WG Carb](http://shop.mega-garage.com/cdn/shop/files/10344573632743_main.jpg?v=1792584417&width=533)
![[USED] Rare Yamaha Dragstar 400 1100 Classic Steering Head Stem Set](http://shop.mega-garage.com/cdn/shop/files/10344573239527_main.jpg?v=1792584357&width=533)
CUSTOMER REVIEWS
Loved by parts enthusiasts worldwide.
See all 1,300+ reviews from buyers →
WHERE WE SHIP
3,522 orders delivered to 74 countries since 2025.
Counted from our own shipping records, Jan 2025 onward.
United States2,135
United Kingdom408
Germany214
Australia107
Italy105
Canada103
France73
Spain69
Mexico32
Israel22
Norway18
Sweden15- Other (62 countries)221