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Breva 750 tickover

C

Colin Beechey

Just got it firing!
Joined
Aug 10, 2009
Messages
17
Hi,
The engine idle speed on my Breva 750 is too slow (about 750 rpm)making it too easy to stall the bike. Can anybody please tell me how to increase idle speed to about 1000 rpm without ruining any other settings? Thanks.
 
Quite a bit left out of the wild goose post. Basically don't touch the throttle stop screw. Balance using the linkage screw, not adjusting the rod. Once sync is complete, reset TPS electronically using Axone or VDSTS. Set idle rpm by opening or closing the air bypass screws.

If you don't have access to the required software don't mess with the high speed sync. You can safely increase the idle by opening the air bypass screws.

Also look at his post https://www.guzzitech.com/index.php?op ... 30&id=7271 and this one https://www.guzzitech.com/index.php?op ... =6819#7021

Graham's procedure is written for the 1100 Breva, but it is the same for the 750, just the channel you read for the real TPS position is different with the 15RC ECU.
 
john zibell wrote:
Quite a bit left out of the wild goose post. Basically don't touch the throttle stop screw. Balance using the linkage screw, not adjusting the rod. Once sync is complete, reset TPS electronically using Axone or VDSTS. Set idle rpm by opening or closing the air bypass screws.

If you don't have access to the required software don't mess with the high speed sync. You can safely increase the idle by opening the air bypass screws.

Also look at his post https://www.guzzitech.com/index.php?op ... 30&id=7271 and this one https://www.guzzitech.com/index.php?op ... =6819#7021

Graham's procedure is written for the 1100 Breva, but it is the same for the 750, just the channel you read for the real TPS position is different with the 15RC ECU.
Click to expand...

Hi John,

Is this the correct TPS reading for Breva 750: 4.5ºto 4.9º with closed throttle and 84.2º to 84.5º fully open?
 
The correct throttle angle is 3.1 degrees for idle read from channel alfalin_0 on the VDSTS. VDSTS will set it automatically. I've never been too concerned with the full open reading, so long as I get the correct idle value, and it moves when I open the throttle, rides well after set up I'm not too concerned about the full open reading.

For a complete workshop manual on the 750 look here http://www.guzzitek.org/gb/ma_us_uk/pb/ ... 8GB%29.pdf It references using Axone, but the VDSTS application will do everything but update maps. The workshop manual states to move the threaded rod for high speed sync, but that is doing it the hard way, use the linkage adjusting screw on the left side, shown on the wildguzzi link above.
 
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