viola-tor's MPG problem thread

[grinns]

All my twins run smooth as crap here is the order.

Valves -> throttle cables -> Sync Throttle bodies -> in the 990 case after sync make the tps back in spec.

Then I typically let it cool down all the way a few times to make sure its spot on. Then i reload the map do a 15 min idle and its pretty smooth.

The ideal condition would be have the bike EXACTLY the same specs as the bike they made the map on at the factory. But we all know the factory maps are pretty much garbage.

Also make sure your map sensor holes are not blocked by maybe getting bad gas. That will make your gas mileage go in the shitter.

[viola-tor]

Originally Posted by grinns

Also make sure your map sensor holes are not blocked by maybe getting bad gas. That will make your gas mileage go in the shitter.

And where might these be?

[DirtJack]

Since you re-loaded the Akra map (to turn the O2 sensors on) you need to do the 15 minute idle dance.

[bikyto]

Originally Posted by viola-tor

Thank you Jack,

Yes, I've checked the O2 box and downloaded the map again (computer -> bike). I've also turned the TB sync screw and made the operating cylinder values match (engine running). It was only a small turn, 1/2 turn maybe was enough.

Will button her up and test ride then report back, but I'm skeptical that it will be much better... We'll see!

Yep. The air temp sensor error will get turned off as soon as you plug it back in.
It looks good. Good ride it!

[viola-tor]

Originally Posted by DirtJack

Since you re-loaded the Akra map (to turn the O2 sensors on) you need to do the 15 minute idle dance.

Originally Posted by bikyto

Yep. The air temp sensor error will get turned off as soon as you plug it back in.
It looks good. Good ride it!

I'm on it! 15 min idle completed, leaving for test ride (and getting new taillight bulb, and printer ink... It's always something )

Where are these map sensor holes that I want to clean out???

[viola-tor]

50 mi test ride complete, bike runs pretty well, still some "searching" in the 4500-5500 RPM range.

Mileage is up to 30 MPG (from 23), which was a little bit of urban hooliganism and 40 miles slab at 70-80, same route I did on last test. Still not wonderful, but I'll take it for now. Looks like something did something in the right direction... I still suspect problems, probably mapping.

Time to pack!

[Katoom119]

Alright! Little bit more work and you're good to go.

The MAP holes are the ones that come off of front-right and rear-left cylinders and go up to those funny looking black things. Basically, opposite of the S-hose we run.

[StmbtDave]

After all that, I'm keeping my carbs. Here I thought they were a pain to work on when I find the FI may well be more of a pain .

Dave

[Questor]

Originally Posted by viola-tor

Looks like something did something in the right direction... I still suspect problems, probably mapping.

Time to pack!

Sir Viola-tor.

For what dost whenst thou pack?
Pray. Where dost thou goeth?

Dost a fair maiden needest rescuing from the claws of a bloodthirsty dragon?
To calm the savage beast withst thou musical arts perchance?

God Speed upon you and your mighty KTM.

Q~

[grinns]

Originally Posted by Katoom119

Alright! Little bit more work and you're good to go.

The MAP holes are the ones that come off of front-right and rear-left cylinders and go up to those funny looking black things. Basically, opposite of the S-hose we run.

Yep those things. They can get covered over with crap (happened to me) if you get bad gas. Then the bike freaks out and you get in the 20s and I had a surge around the rpm you talk about too.

I pulled them out and cleaned them out really good and cleaned the throttle bodies. Then put teflon around the threads and put them back in.

[DirtJack]

Originally Posted by Questor

Sir Viola-tor.

For what dost whenst thou pack?
Pray. Where dost thou goeth?

Dost a fair maiden needest rescuing from the claws of a bloodthirsty dragon?
To calm the savage beast withst thou musical arts perchance?

God Speed upon you and your mighty KTM.

Q~

Diek is on his way for 2 weeks that starts and ends at Big Bend. Just received a text from Viola-tor at a fuel stop in Del Rio, 27.7 mpg. His range is about 200 miles (2.1 gal Neduro tank at the rear). I think he also has a fuel bladder he can fill if there is a leg of more than 200 miles.

[bikyto]

Originally Posted by DirtJack

Just received a text from Viola-tor at a fuel stop in Del Rio, 27.7 mpg. His range is about 200 miles (2.1 gal Neduro tank at the rear). I think he also has a fuel bladder he can fill if there is a leg of more than 200 miles.

Hum... So it improved but didn't get fixed.
I wonder if he has time to clean his map sensors.

[DirtJack]

Originally Posted by bikyto

Hum... So it improved but didn't get fixed.
I wonder if he has time to clean his map sensors.

I sent him a text with the suggestion that it was something he could easily check and clean in camp.

[Alleycatdad]

I got 28 with the factory Akro map and dual Q4s. Wouldn't surprise me if it's about as good as it gona get with the 2-1 he's running.

Now the fun begins...

Steve

[bikyto]

Originally Posted by Alleycatdad

I got 28 with the factory Akro map and dual Q4s. Wouldn't surprise me if it's about as good as it gona get with the 2-1 he's running.

Now the fun begins...

Steve

I get 37-39 with the akra map and 2-1
If I nurse the bike, I get up to 42. So something is off.

The map sensors are easy to clean but with the stock air box, not fun to access unless he doesn't mind taking the tanks off again