• Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

    When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.

    Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

    Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.

    Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.

    Thanks for your patience and support!

TR650 post ECU recall spark plugs recommendation

prdeb

prdeb

Husqvarna
AA Class
My TR650's are running so well after the recall, they are defintely not running as lean as it used to be which I think caused the stalling. Any recommendations on spark plugs other than the stock NGK MAR9A-J. DO you think a colder plug like the MAR10A-J would be better?
 
prdeb said:
My TR650's are running so well after the recall, they are defintely not running as lean as it used to be which I think caused the stalling. Any recommendations on spark plugs other than the stock NGK MAR9A-J. DO you think a colder plug like the MAR10A-J would be better?
Click to expand...

Pull them out and lets have a look at them. I found the stock ones a little cold, but that was when I first got into this stalling issue, but had done 10,000km.
 
Seems impossible, but after installing a pair of pulstars I wouldn’t even consider having my ECU messed with. Approx 7k miles on this set with no other mods than an iat spoofer (eruption). Bike went from something I didn’t trust enough to allow anyone else to ride to a dead reliable (and predictable) thumper I actually enjoy (I’ve stopped cursing it’s existence). Best thing I ever did to this bike (KYB swap a close second) ... can’t for the life of me explain why they work but they do!
 
I guess I just got lucky. Who knows. I’ve learned not to question things with this bike!
 
maybe new NGKs would have made the same difference? Or were they still new when you replaced them?
 
i didn't experience any difference with the Pulstars either. Not when i put them in new (original NGKs had 7000 miles on them) nor when i put the NGKs back in after 8000 miles.
 
kiwiape said:
I'm interested to hear....best in what respect?
Click to expand...

I think I can answer for him, I have the very same Brisk spark plugs now, and recently installed the 3rd pair. Beside the original NGK (which were mounted during the ECU upgrade), I've also installed the Pulstar and the Brisk AR10ZS in the past (but not after the ECU flash). Out of the bunch, the AOR10LGS are the ones I prefer. They are definitely better performing, especially in the engine mid-range, where the engine seemed to have suffered the most after the flash.

The Pulstar are not even comparable IMO. They may have more zest on the higher end, but not nearly as smooth anywhere else. My mechanic told me that this type of sparks may suffer from low tension at lower RPMs, particularly in smaller engines. They run rough and not at all enjoyable. The AR10ZS are plain simply dangerous. One broke on me and nearly caused damages to the cylinder.

Having said that, despite the improvements after the ECU flash, I recently re-installed the EJK (for 650GS) with conservative settings, and that still made a big difference in the overall performance, especially in smoothing out the engine breaking.
 
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