Pinking problem

[Slime Bomb]

Recently got back from a European trip on my 1150 GS ADV and over the 4,000mls it's been pinking a hell of a lot. Tried higher octane fuel but still the same. It happens mainly when under load or anywhere over half throttle, and a lot more when it's hot. Any ideas on why and what can be done to cure it? 2003, 91,000mls.

 

[Hay Ewe]

Do you have the correct relay installed?
TB Synch carried out recently?
TPS positions checked?
spark plugs in good condition?
HT leads in good condition?
Fuel flow?
Fuel condition?

I always run the lower grade fuel (cos am tight) and live in far north Australia where it is always hot.
Years ago, I was talking with a guy on an 1100GS who worked for Shell.
He said that Shell petrol is not so good in aircooled engines.
a little bit of testing with different brands confirms that.
Yes, people will say it all comes from the same place, but I notice the difference.

I lived with it, mostly fill up with BP where I can.

Just on the weekend, I finally fitted some Boxer Performance sprockets on the Cam shafts.
HUGE difference, Pinking problem greatly reduced.
more torque, more power, gets up to speed quicker as well.
http://boxer-performance.com/
well made, great instructions, VERY impressed

 

[Slime Bomb]

Yes to all. It seems to have been getting worse over the last year. I did wonder if the 'JohnGS Tuning Chip' would help?

 

[Two wheels good]

Have you checked the timing? Strobe light on the flywheel marks, I mean.

 

[Hay Ewe]

and a thought, the HES wiring, is it breaking down and high resistance.
Usually accompanied but the tacho gauge erratic and also, I beleive, sudden failure.

Remember, start with the simple things first

 

[mikeyboy]

Check ignition timing,it may have had new hall sensors fitted,IMO don't fit one of johns chips till you have sorted it.
I fitted one prior to a euro trip this year,bike was pinking like mad under load,
May be down to crap fuel but I recon John tweaks the ign mapping for more advance.
JMO.

 

[Slime Bomb]

Thanks, will get the timing checked. No hall sensors have been fitted as I've had it from nearly new.

 

[Rugged Path]

Slime Bomb,
I have a good quality 'Snap-on' timing light if you want to use it for checking and I live down the road in Nantwich. It would be good to see how it works regarding its use on the GSA as I have one as well.

 

[Slime Bomb]

Slime Bomb,
I have a good quality 'Snap-on' timing light if you want to use it for checking and I live down the road in Nantwich. It would be good to see how it works regarding its use on the GSA as I have one as well.

pm sent.