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 The previous version was outdated and no longer supported.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

Post exhaust/ECU/12 hole injector upgrade performance issue

mnb

mnb

Husqvarna
Pro Class
I upgraded my 2011 TE310 to the Meo Replica exhaust (Leo Vince X# full system w/resonation chamber - header and slipon), and replaced the injector/ECU with the 2012 TXC310 versions (12 hole injector updated ECU). I got the exhaust at half price and it was one of the two part #s that were required for the injector/ecu upgrade. I could have gone with a different exhaust, but the price was right.

After struggling through various parts of the upgrade, I got the bike put back together and fired up. I rode it for a day out at Hollister Hills. I had a couple minor issues to deal with, but the reason for this post is I expected more.

I didn't dyno the bike before and after, but I would swear there's a bit less power.
It sounds starved for air. But it's not. The old system had a free flowing sound and that Husky bark. The new setup sounds restrained and low on power, although the response, especially off idle, is smooth, unlike the 2011 in stock form.

One other difference, I had a JD Power Surge 6X tuner installed and have removed it, figuring it wouldn't be needed. This is essentially a racing config, so I'm surprised the power is down.

I was pretty careful about installing the exhaust and air filter. I had a devil of a time getting the exhaust to fit. Gotta do it in a certain order. But the fit to the exhaust manifold is tight. I don't know why it sounds restrained/starved for air. It had a db killer spark arrestor in it, I put the shortie in instead, but haven't been able to ride it.

Any suggestions on what to look for? Comments about sound/performance from those that have done this? Kinda sucks to spend close to a grand on something and have less performance.

I could put the JD tuner back in (JD sent me some suggested settings), but like I said, I was under the impression it wasn't needed.
 
It may be rich or more likely lean for whatever reason. Easiest thing to do is put the JD on and try some things.
That and double check for stupid things, like a shop rag left in the intake or something
 
danny318 said:
It may be rich or more likely lean for whatever reason. Easiest thing to do is put the JD on and try some things.
That and double check for stupid things, like a shop rag left in the intake or something
Click to expand...


Dude, that comment gave me nightmares last night. I woke up twice worrying about that bike! But nah, I only plugged two spots... exhaust manifold and throttle body intake. Both paper towels were removed during assembly.

Didn't reset the TPS, seems fine, don't have iBeat anyway. Neither does local dealer from what it sounds like.
 
I made the same upgrades to a 2011 txc 250 and had to do the tps reset to notice any gains. Although I used a fmf power bomb and q4 for exhaust. Ymmv.
 
Something is wrong !

I did exactly what you have done on a 2012 TE310 and it was a HUGE improvement.
I did reset TPS and ran CO1 @ 105 with CO2, CO3 @100. (This will vary from area to area ?).

I take it the bike is fully "powered up" ? (Air Filter cage. Lamba Sensor removed etc...)
Just guessing here, but no air leaks, manifold damage ?
I ran with no db Insert or SA in the Leo Pipe.
 
DG Harv Serv said:
Something is wrong !

I did exactly what you have done on a 2012 TE310 and it was a HUGE improvement.
I did reset TPS and ran CO1 @ 105 with CO2, CO3 @100. (This will vary from area to area ?).

I take it the bike is fully "powered up" ? (Air Filter cage. Lamba Sensor removed etc...)
Just guessing here, but no air leaks, manifold damage ?
I ran with no db Insert or SA in the Leo Pipe.
Click to expand...


SAs are required here. No leaks that I know of. The bike has been powered up since the day I bought it.
 
I don't have a PC laptop or iBeat, so I cannot reset the TPS. I don't believe the local dealer is set up for it either, the lead mechanic didn't seem to know what iBeat was. MotoXotica could probably do it, but that's 90min each way. I used to run Parallels on my home laptop, but it's out of date with my current OS version and I don't want to upgrade because I never use it. I use VirtualBox at work, but it has Win7 64bit installed, which isn't compatible. I'll see if I can clear enough space off my MacBook Air and convert the old Parallels disk to a VirtualBox disk... that ran XP, so I think it will work. But I would still have to drop $320 for iBeat and the cabling.

Can you reset the TPS with the HST? Maybe that's what the local shop uses? /shrug.
 
mnb said:
Can you reset the TPS with the HST? Maybe that's what the local shop uses? /shrug.
Click to expand...

Don't know, but iBeat is worth it in my opinion. Not only does it allow you to reset the TPS, but allows you to modify the fuel map just like a JD tuner.
 
I have a JD tuner I can put back in if I want. It make the stock configuration much more usable. But tuners like that are a hack. This upgrade resolves those issues and give me more power (or would if it was working right). JD did email me suggested values to use with this new setup on the tuner, so I'm good to go if I want to add it back in. I figured I'd get it working without it first and see how the power, response and mileage were first, though.

I just called the local shop. They have the latest iBeat, but have never used it. Tom said he's installed several injector/ecu combos and never needed to reset the TPS. He's making a couple calls to gather some info. But it sounds like they can do it for me. They're 95% a KTM shop and have been for years, long before the recent purchase of Husky. But they work on KTMs mostly, so while they sold the Italian Swedes, some aspects of them aren't their strong suit.
 
mnb said:
I have a JD tuner I can put back in if I want. It make the stock configuration much more usable. But tuners like that are a hack. This upgrade resolves those issues and give me more power (or would if it was working right). JD did email me suggested values to use with this new setup on the tuner, so I'm good to go if I want to add it back in. I figured I'd get it working without it first and see how the power, response and mileage were first, though.

I just called the local shop. They have the latest iBeat, but have never used it. Tom said he's installed several injector/ecu combos and never needed to reset the TPS. He's making a couple calls to gather some info. But it sounds like they can do it for me. They're 95% a KTM shop and have been for years, long before the recent purchase of Husky. But they work on KTMs mostly, so while they sold the Italian Swedes, some aspects of them aren't their strong suit.
Click to expand...

I've noticed the idle voltage drifts on my TPS, so I reset it every oil change. The iBeat CO settings are not a "hack" like the JD tuner, they actually adjust the ECU fuel map up or down by percentage across three ranges (low, mid, high).
 
I dunno if there's any drift on my 310, but once I put in the JD Tuner and tweaked the idle speed, it was great for 3 years. Ran like a champ. That late hit in power was pretty intense, going up a steep climb, you'd add more power and the wheel would come right up (and I SUCK at wheelies).

I'm looking into how I can get the TPS reset. Either way, won't hurt, might help, it's just not accessible for me at the moment.
 
Partial update:

I checked and reset the TPS. It was set to 1000mv, read 957, which changed to 965 when I warmed it up a little. I don't think it made much of a difference, probably little but the dashboard said the throttle was at 0.1% before the reset.

I think the biggest difference was taking out the roughly 6 inch DB killer with the SA and replacing it with the shortie. It fires up easily sounds good breeze well warms up sooner it's idling a tad low still I think but once it warms up it was fine. Overall just hearing it I'm not as concerned as I was on how it sounded before I haven't actually ridden it yet but that'll happen this weekend and I'll update then.
 
Put about 25 miles on it today.

Starts easily. Warms up faster

Response is so smooth, although in some terrain it felt like it was surfing, but I'm sure that was my hand moving the throttle accidentally.

Power is at best equal to stock with JD tuner. I am
NOT running the tuner currently.

It may lug up a hill better... Just a little, which would mean more torque.

It's quieter than stock and lacks the characteristic bark I loved so much. It's sort of there, but subdued.

Did I say it runs smooth? Like buttah

The EFI tuning is good, if not excellent. For nearly a grand, I expected a noticeable power boost that is definitely not there. She gets up and goes, but never threatens to raise the front wheel.

Overall, slightly impressed and seriously disappointed at the lack if power addition. I figured a race ECU, injector and full exhaust would have woken it up, not put it down for a nap.
 
Hadn't ridden the bike since mid June until last weekend. Too hot and dusty. The EarthX battery started her right up no problemo. My observations remain the same. Power seems the same, and the race header/exhaust system is MUCH quieter than the stock system, even with the tiny SA insert.

Although I got a good deal on the injector, ecu and exhaust system, I'm not impressed at all. The $200 JD tuner ran nearly as smooth and cost a shitload less. AND I had that nice Husky bark from the stock exhaust. The low rpms are a bit smoother now, but the exhaust feels choked, neutered.

I wish I'd saved the money. This upgrade was a waste of dollars.
 
This sounds crazy because my injector/ecu was a huge difference. Have you tried the ecu/injector with the stock exhaust?
 
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