The Mole
Member
Hi everyone,
I've recently had problems with the running of my Triumph America following a change of pipes and one of the issues that went with it was that the idle adjuster would not work and I've also heard other people mention this problem.
So, Having fixed all my issues with the bike (fingers crossed) I would like to explain how I fixed my idle adjuster problem in case it helps someone else.
If your bike is running ok generally but is too fast or too slow on tickover when the engine is up to temperature then the idle adjuster should solve this problem.
Location: To find the idle adjuster see attached photo (it's a small round knob (usually black) below the throttle body very close to and above the engine on the clutch casing side. The adjuster is attached to a rubber tube with a threaded bolt (maybe 5mm dia) with small washer and a spring, which is housed in the underside of the throttle body. If you trace the pipe from the adjuster knob you will find where it enters the throttle body.
Check bolt seating: The bolt needs to be screwed up tight into the throttle body so the spring is tight against the underside of the throttle body for it to be effective.
Clockwise adjust: If you turn the adjuster knob clockwise the bolt at the body end will be screwed into the throttle body where it needs to be (you can feel this happening by sitting on the right hand side of the bike and holding the bolt with your right hand whilst simultaneously reaching over the seat and turning the knob with your left hand).
Anticlockwise adjust: If you keep turning the adjuster in this direction the end result will be that it will unscrew from the throttle body and, if you are unlucky, it will come out of the housing and you could lose the washer and screw from the bolt.
Fix: While the bike is warmed up but not running, turn the knob until it is a nice snug fit in the throttle body. Once you've done this then the adjuster should be effective at controlling idle. Start the bike and adjust the knob ( the adjustment will only be a few millimetres in either direction to change the idle revs up or down on the bike).
I hope this helps some of you - let me know how you get on.....
I've recently had problems with the running of my Triumph America following a change of pipes and one of the issues that went with it was that the idle adjuster would not work and I've also heard other people mention this problem.
So, Having fixed all my issues with the bike (fingers crossed) I would like to explain how I fixed my idle adjuster problem in case it helps someone else.
If your bike is running ok generally but is too fast or too slow on tickover when the engine is up to temperature then the idle adjuster should solve this problem.
Location: To find the idle adjuster see attached photo (it's a small round knob (usually black) below the throttle body very close to and above the engine on the clutch casing side. The adjuster is attached to a rubber tube with a threaded bolt (maybe 5mm dia) with small washer and a spring, which is housed in the underside of the throttle body. If you trace the pipe from the adjuster knob you will find where it enters the throttle body.
Check bolt seating: The bolt needs to be screwed up tight into the throttle body so the spring is tight against the underside of the throttle body for it to be effective.
Clockwise adjust: If you turn the adjuster knob clockwise the bolt at the body end will be screwed into the throttle body where it needs to be (you can feel this happening by sitting on the right hand side of the bike and holding the bolt with your right hand whilst simultaneously reaching over the seat and turning the knob with your left hand).
Anticlockwise adjust: If you keep turning the adjuster in this direction the end result will be that it will unscrew from the throttle body and, if you are unlucky, it will come out of the housing and you could lose the washer and screw from the bolt.
Fix: While the bike is warmed up but not running, turn the knob until it is a nice snug fit in the throttle body. Once you've done this then the adjuster should be effective at controlling idle. Start the bike and adjust the knob ( the adjustment will only be a few millimetres in either direction to change the idle revs up or down on the bike).
I hope this helps some of you - let me know how you get on.....
