F650GS starting gremlin....

How to; Why did it do that?; What do I do now!...

F650GS starting gremlin....

Postby Mitch » Sat Mar 12, 2016 9:27 am

Hi gents, my 2006 F650GS has developed a starting issue, not really a problem as is does get going after on the second attempt. It will fire up for a second then die, seconf attempt and its all good. Its never done this before, I thought maybe the battery was dying so replaced it, looked like it was original :shock:

I then stripped down the throttle body etc and gave it a good clean, checked plug gaps and checked the valve clearances, all good. I've read up on the correct starting procedure which I have always done since I've owned it, only a year and 3000km.

Anyone got any ideas?

Bonus pic on how clean it was inside when I did the valve clearance check.

Image
Mitch
 
Posts: 9
Joined: Wed Jan 27, 2016 1:24 pm

Re: F650GS starting gremlin....

Postby jono » Sat Mar 12, 2016 11:40 am

Has this only happened during the hot weather?
If so could just be a fuel starvation problem with the residual fuel staring up your engine then an interruption till fuel flow from tank gets to the intake. Doesn't sound like an issue. Which fuel brand and RON are you using?
User avatar
jono
Site Admin
 
Posts: 620
Joined: Sat Mar 08, 2008 9:25 pm
Location: Perth, WA

Re: F650GS starting gremlin....

Postby Mitch » Sat Mar 12, 2016 12:17 pm

Think I put in Caltex 95 last time. Not only in hot weather, does it on cooler mornings, about 15 and hot arvo's of about 35.
Mitch
 
Posts: 9
Joined: Wed Jan 27, 2016 1:24 pm

Re: F650GS starting gremlin....

Postby theape » Wed Mar 16, 2016 10:30 am

My guess,possibly old fuel. Mine did the same thing if I did not ride it for a few weeks, next refuel or top up, it stopped doing it.
Alex
User avatar
theape
 
Posts: 91
Joined: Fri Jul 27, 2012 5:00 pm

Re: F650GS starting gremlin....

Postby Mitch » Sat Mar 19, 2016 8:08 pm

I could be..... I didnt ride it for a couple of months after ankle surgery and dont recall filling it up recently. I'll give it a go.
Mitch
 
Posts: 9
Joined: Wed Jan 27, 2016 1:24 pm

Re: F650GS starting gremlin....

Postby wightman » Thu Mar 24, 2016 11:30 am

Agree with these learned gents' opinions. A common problem with this model (maybe earlier than yours) was a make and break in the wiring harness about half way between the battery and the ignition (requiring a new single core wire to be spliced in between those points) However your problem certainly seems to be stale fuel (the volatiles get driven off early). You need to go on a couple of rides with Bozo to ensure this phenomenon doesn't occur
wightman
 
Posts: 452
Joined: Wed Aug 13, 2008 8:37 pm

Re: F650GS starting gremlin....

Postby KoosWA » Thu Mar 24, 2016 2:23 pm

does Bozo carry spare volatiles?
User avatar
KoosWA
 
Posts: 468
Joined: Wed Jun 17, 2009 10:00 pm
Location: Perth, Western Australia


Return to Technical

Who is online

Users browsing this forum: Google [Bot] and 1 guest

cron