MV Agusta Forum banner

1 - 5 of 5 Posts

·
Registered
Joined
·
264 Posts
Discussion Starter #1
Anyone know what causes this ?
Strange things happening on tickover on my F4 1078 RR312. Steady at 1.5 thousand revs and then kicks up to 2.5 thousand and back down again as if I am blipping the throttle.

BUT .... it does it on its own. Usually after I have stopped and then started about 20 minutes later.
 

·
Super Moderator
Joined
·
22,487 Posts
Perhaps a vacuum leak.
 

·
Registered
Joined
·
14,532 Posts
erratic idle?

look at the lines and rubber caps on the vacuum lines from the TBs to the brackets under the under tank panels......the rubber is shit and cracks

also check the clamps on the intake hoses....



:drummer:
 

·
Registered
Joined
·
20 Posts
G.day just for your info, you can mimick the issue by opening your cold start lever just enough to rev from 1200 to 2500 revs, the engine will blip up and down between the two speeds as the engine i have found will not run between the two rev ranges so causes a dead spot when riding. hope this is of intrest regards banjo.
 
1 - 5 of 5 Posts
Top