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MarkT Exhaust
Valkyrie Riders Cruiser Club > General > 1500 Tech Board > rough running
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Author Topic: rough running  (Read 578 times)
Don p
Member
*****
Posts: 16
« on: July 10, 2016, 03:57:53 PM »
looking for some help my 97 valk seems to break up between 3400 rpm and 4000 rpms after that it is ok
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pancho
Member
*****
Posts: 2113


Bonanza Arkansas
« Reply #1 on: July 10, 2016, 05:36:17 PM »
Try running a can of Berrymans B12 through the it Don, if that doesn't make any difference, I would be looking at removing and cleaning up the carbs.  Welcome to the world.
« Last Edit: July 10, 2016, 05:37:48 PM by pancho » Logged
The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
gordonv
Member
*****
Posts: 5762


VRCC # 31419

Richmond BC
« Reply #2 on: July 10, 2016, 07:02:17 PM »
Apply half a can of B12 to half a tank of fresh fuel. Run the bike at high gear/low speed (low RPM) for a distance. Let it sit.

Next day, same thing.

Ride it in the RPM range that it gives you trouble. Same thing, ride it for a while, then let it sit for a while. This is to get the "formula" into the jets which are giving you trouble, then letting it sit will allow it to act on the problem circuit.
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1999 Black with custom paint IS
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