• 4 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
     TE = 4st Enduro & TC = 4st Cross

  • 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 The previous version was outdated and no longer supported.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!

Spark plug

avatar4281

avatar4281

Husqvarna
A Class
The stock plug for my 09 TE 510 is an NGK CR8EB. Can I use a CR8EIB (Iridium) plug in its place?

The reason why I would want to (and this may be a bad reason) is that I am troubleshooting a problem where is seems my engine delivers too much fuel when it is hot and just off idle (all other RPM is great) causing the bike to stall. Part of my troubleshooting is replacing the plug, but I wonder if getting a slightly different plug may solve the problem. Unfortunately there is no information about plug types, etc. that I can find useful.

My bike has a Power Commander IV with Autotune. It had this problem before the PCIV, but the PCIV really smoothed out the fuel delivery and lessened backfire. I also took it to the dealer to have them look at the iBeat whatever it is twice, and they adjusted it, but I still have the stalling problem.
 
Can you post a pic of what your stock plug looks like? Like the one below, the left side pic is mine, my bike is programmed rich.

I wouldn't think that a different spark plug would cure a rich stall problem.

HuskySparkPlug9000miles.jpg
 
I have been running the CR8EIB-10 for a few years in my 09TE450 with perfect results. http://www.cafehusky.com/threads/spark-plugs-caps-and-coil-connectins.12265/#post-197804

Your running issue may have more to do with fueling issues however as suspicioned. I don't have any PCV experience- but I'd look at trimming the lower throttle possition area. ALSO ensure that if they (with Ibeat) checked your TPS to see what they set the WOT to... 100.2 % has been consistantly making large difference on every 450/510 I have come into contact with.
 
Here's the spark plug. I haven't changed it, but before I fixed my PCIV the bike was very lean, now it looks like it is rich.
IMAG1161.jpg
 
That doesn't look too rich to me, mine is richer looking than yours and mine never dies. I would wonder about the particles burned into the electrode, although some of the "good" plugs below have alot of deposits on them.

Spark+Plug+Reading.jpg
 
According to the chart I would say it looks pretty darn good. I still got a new one, but don't think the spark is an issue.
 
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