When changing maps on the thundermax, do I need to go thru the ritual of starting the bike for ten seconds twice, then letting it warm up again each time I make a change? The instructions are a PIA to get around in. I can't find a map that's close to my set up so I'm having to experiment with different one's, just like I had to do with the PCIII. I did a search and I'm finding that a lot of folks are making adjustments to the Tmax after installation. This is what I was hoping to avoid and why I changed from the PCIII, but it seems that's not quite the case. I'm giving this thing one more try and if I'm not satisfied I guess I'll go back to the PCIII or maybe try something else.

 

I'd just change how quickly it learn's and picka mapas close as I could that matches your bike then just ride the **** out of it and stop ever 2o miles or so for a while it'll tune in pretty quickly like that. Just my 2 cents for what it's worth

 

Thanks gilbos. I've put over 400 miles on it and it seems too lean. Pings on acceleration, seems like it runs on one cylinder when it's cooled off. By the way, your bushings worked out great!

 

Read your first post and if that's how you initialize it the first time it would explain why it runs like crap and not the map. A map only needs to be close, not exact to your setup. Are you sure you don't have an intake leak, as lean seems rare in any of the maps that I've looked at? Whether it's the present map, or remap you should do this...

Pull the main fuse, or the ECM fuse and wait about 1 minute. Put fuse back in. Dont touch the throttle, at any point from here. The engine must be cold before doing all this.
Have the run switch on the bars set to run, and turn the ignition on for 30 seconds, then off for 30 seconds. Do this 2 more times. Now turn ignition on and start the engine, don't touch the throttle and let the head temp come up to 280. Shut it off. The next time you start the engine, it's ready to ride. If all your settings are correct, it will start to relearn from the autotune. Short rides will give quicker results.
Ron

 

Thanks Ron, I'll give it another try. But my question is, do I need to do this each time I try a new map? I don't think it's an intake leak as I wasn't having these troubles with the PCIII, but I'll double check.

 

The instructions that come with the Tmax say to start it for ten seconds, shut it off, start it again, shut it off and then warm it up. Just doing the step by by step thing. If I'm doing it wrong it's the instructions.

 

Never heard of such a thing in the instructions. Did you download the pdf from the Tmax site. Everything you need to know is in there.I know the initializing sounds like a pain, but what's 5-10 minutes out of you life. I'm new to this unit also and was overwhelmed with all the info at first. Starting to get somewhat comfy with how to do things now. So as to your question on having to reinitialize with new map, I would say yes. In my mind, from my limited understanding of how it all works is this. A new map also contains module settings for idle, tranny and a host of other crap and when written to the module whipes out any previous info learned . By going through the initializing with the new map, you're starting with a clean slate, which to me as a rookie seems easier, especially if the present map and settings have some flaws. Now the more advanced users may say the new map only needs to be written to the module, but I believe the clear the fuel offsets and iac must be done also, which to me means this info is stored in the moduleand not the map?Basically a clean slate again requiring reinitializing. Seems like same **** either way,(as I see it).
This where a big hand comes out of the monitor and slaps both of us, and tells it the way it is.
I like you would like some clarification on this remap thing.
Ron

 

Thanks again, Ron. I'm going by instructions that came with my unit. It's a PIA having to start for ten seconds, then off and start again for ten seconds. Then it says start again when cold, so you need to let it cool off before re-starting and letting it run up to running temp. I'm going to give it a try later this morning(after everyone in my complex has gone to work) and skip the two, ten second start part. Just initialize, then let it warm up. This just makes more sense to me, and ya, it shortens the process up a bit. I agree with you about starting with a clean slate each time. Some times I over think these things and make them more difficult than they should be. Thanks for your input, I'll report back after some time in the seat so this thing can learn.

 

For the life of me I cannot find that method you used to initializethe tmax the first time. Baffles me how that could have any success at all? Is this the very first unit they ever built?
Ron

 

I thought it was new. I just got it about two weeks ago. But, it looks like the unit had been installed on another bike as the o2 sensors are discolored like they've been hot, or maybe they just come that way. Also, I never had to register it with the number that came with the software, which I thought was odd.(previously registered)? Anyhow, as long as it's got a 3 year guarantee I should be okay. I'll send you a copy of the part of the instructions in question if you'd like.