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Tiger Time => Girly Talk (1999 - 2006 Tigers) => ECU and Fuel Injection => Topic started by: VABird on August 29, 2017, 04:53:50 PM

Title: Balancing the throttle bodies
Post by: VABird on August 29, 2017, 04:53:50 PM
I'm interested in input from fuel injection gurus.
I think anyone who has ever tried to synchronize the Throttle Bodies on these (and many other) modern Triumphs have come to the conclusion that I just have. Yes, I'm a bit slow. Namely: it's a major PITA!
I (Jack-Be-Quick) have developed a system for synching carbs on H300s (late 90's to 2004 Keihin carbed 885CC triples - see pic) that does not require the removal of tank to check and adjust the carbs. I'd like to develop a similar one for the 995i's TBs since DealerTool does not support this function on these models (no MAP sensors).

What I know about fuel injection would fill a small thimble, so an informed answer to my question would help.

Can the Air Bypass System be "Teed" into for vacuum hoses to go to the JBQ bracket without compromising its or the stepper motor's function?

The challenge looks to be inverting the adjustment screws so they are adjustable from the bottom with tank in place.
I'll work on that.

Does anyone have a spare set of TBs (preferably shot) laying around that they would contribute to the cause? You'll get a free "Synchron-Ease" system when finished.
Bob

http://jack-be-quick.com/products/for-carbureted-models/
Title: Re: Balancing the throttle bodies
Post by: Bixxer Bob on September 04, 2017, 01:32:21 AM
The factory manual states a digital gauge must be used because the balancing is critical.  Digital gauges are lots of money so that's a non-starter.  I use the type that has rods in tubes, more accurate than gauges so near enough (imho).

The instructions for balancing state the IACV hoses should be removed and the gauges connected, then the throttle should be set at (i can't remember how many) revs.  Htis can be achieved by slipping an O ring between the throttle grip and the switch block.  I found this to be a PITA.

So I "T"d the IACV hoses and balanced the TBs without touching the throttle.

So, in my humble opinion, your proposal should work fine.  Good luck with it!!!
Title: Re: Balancing the throttle bodies
Post by: VABird on September 05, 2017, 04:12:48 AM
thanks. Next time it's apart, I may do that.
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