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Old 11-09-2008, 07:38 AM   #151
John in Leeds
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Quote:
Originally Posted by GreaseSnake




Btw; The tuning of my engine is started. Monstrous head modification


Calculatinge som 130Bhp on the rear wheel. Will probably KICK som ASS!

Johan this seems a really interesting project - it would be great if you could share some of this with us.

Do you know if they have ever done anything like this at the factory? I know they have a couple of different project bikes on the go including one with 4 injectors, it would be good to know how far they got.

If you make near 130 at the rear wheel that will be one serious bike on the road, could do some damage to the big KTooM supa moto
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Old 11-10-2008, 08:31 AM   #152
GreaseSnake
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Quote:
Originally Posted by John in Leeds
Johan this seems a really interesting project - it would be great if you could share some of this with us.

Do you know if they have ever done anything like this at the factory? I know they have a couple of different project bikes on the go including one with 4 injectors, it would be good to know how far they got.

If you make near 130 at the rear wheel that will be one serious bike on the road, could do some damage to the big KTooM supa moto
The things I've seen incl one with 4 inj. uses single 48mm tb. A 4-2-1 intake pipe, standig straight up through the tank.
The other one is a 4 tb type, however these together is too small for that much power. And I havn't seen any serious head porting, perhaps it has been done but not of my knowledge.
A "sneak peak" from the 4-tb mod. From a dirttrack protoype I think. Think this put out a bit past the 100hp, but no head work!


OF COURSE I INTEND TO DAMAGE THE KTM:s, what else is there to do??
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Old 11-11-2008, 12:30 PM   #153
John in Leeds
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Quote:
Originally Posted by GreaseSnake
The things I've seen incl one with 4 inj. uses single 48mm tb. A 4-2-1 intake pipe, standig straight up through the tank.

OF COURSE I INTEND TO DAMAGE THE KTM:s, what else is there to do??
I suspect there must still be problems with this manifold as there is with the plenum chamber.


Wouldn't it be something if you could put together a real KTM basher - I can hardly wait

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Old 11-11-2008, 01:27 PM   #154
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Here's the horsepower

This is the best I've seen so far. No cat and improved air filter from Tim in Preston

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Old 11-12-2008, 01:48 AM   #155
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Not bad for stock intake!

What would be interesting would be to see both A/F curves (for each cylinder) Probably you'd see a difference..
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Old 11-12-2008, 02:06 AM   #156
John in Leeds
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Originally Posted by GreaseSnake
Not bad for stock intake!

What would be interesting would be to see both A/F curves (for each cylinder) Probably you'd see a difference..
I have other charts on both cylinders from Dale Lineaweaver in the US. They are appalling showing one cylinder making hardly any power at all - a total cock up. I will post if required or send them to you direct.
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Old 11-13-2008, 03:20 AM   #157
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Quote:
Originally Posted by John in Leeds
I have other charts on both cylinders from Dale Lineaweaver in the US. They are appalling showing one cylinder making hardly any power at all - a total cock up. I will post if required or send them to you direct.
No need, I too discovered this. That's where the idea with splitting the inlet into separate systems came from in the beginning

//Gs
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Old 11-18-2008, 02:06 PM   #158
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More fun! This is an old version or prototype if you like, made this as a
brainstorming project to get rid of the crappy low/mid behaviour.
(click on image to enlarge)




Well, this is another model I've tried. Works really well, however will need some more room. So parts of the tank has to be sacrified... Good or bad, It'll still run really well.

Also, for all you Highland fans; My first startup ever, after rebuilding prior to modification of the inlet into to separate. In this vid the engine is as close to my-2000 you could get. Engine no.7 in the production, an early one I'd say..
http://www.youtube.com/watch?v=sLpAGi3K5wo

Fun fhun!

/The swedish fella






GreaseSnake screwed with this post 11-18-2008 at 02:16 PM
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Old 11-19-2008, 06:12 AM   #159
John in Leeds
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Quote:
Originally Posted by GreaseSnake
More fun! This is an old version or prototype if you like, made this as a
brainstorming project to get rid of the crappy low/mid behaviour.
(click on image to enlarge)





looks like this moved the throttle butterfly closer to the plenum - did it do any good?
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Old 11-19-2008, 09:55 AM   #160
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Quote:
Originally Posted by John in Leeds
looks like this moved the throttle butterfly closer to the plenum - did it do any good?
There isn't really a plenum, just to separate inlet tubes. As you see on the picture, this photo is from the left side of the engine, there is a similar TB on the right side as well. This is another one of the twin inlets

Worked quite fine, however it's a bit messy with the tank issue and connecting the two butterflys is a hassle as they are not aligned at all. This needed a splitted throttle cable and to get this syncronised isn't a walk in the park..
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Old 11-20-2008, 05:15 AM   #161
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Quote:
Originally Posted by GreaseSnake
Worked quite fine, however it's a bit messy with the tank issue and connecting the two butterflys is a hassle as they are not aligned at all. This needed a splitted throttle cable and to get this syncronised isn't a walk in the park..
Johan

have you made any progress with improving the start up on this motor? Mine always needs a few goes to get running when cold even with a good battery. When the motor is warm however it is always first push of the button.

It would be good to make it a first time starter hot or cold.
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Old 11-20-2008, 07:08 AM   #162
GreaseSnake
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Quote:
Originally Posted by John in Leeds
Johan

have you made any progress with improving the start up on this motor? Mine always needs a few goes to get running when cold even with a good battery. When the motor is warm however it is always first push of the button.

It would be good to make it a first time starter hot or cold.
No problem at all. Just engage the "choke"(really, it's just an idle increase..) and push start. After 2-3 rotations it fires and runs. It won't however run totaly smooth (when riding) before the engine temperature begins to rise, but thats just for a few minutes. Havn't done that much effort to tune this temperature slope in the ECU, as it's (for me) of less interest than the other issues... It's for later priority so to speak...
But starting is all fine regardless of temperature
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Old 11-20-2008, 09:34 AM   #163
John in Leeds
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Originally Posted by GreaseSnake
No problem at all. Just engage the "choke"(really, it's just an idle increase..) and push start. After 2-3 rotations it fires and runs. It won't however run totaly smooth (when riding) before the engine temperature begins to rise, but thats just for a few minutes. Havn't done that much effort to tune this temperature slope in the ECU, as it's (for me) of less interest than the other issues... It's for later priority so to speak...
But starting is all fine regardless of temperature
Looking good

The reason I asked is that all the UK bikes I have tried (some 5 of them) have all had poor starting, in fact even though mine is poor it is still the best of the bunch.
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Old 11-21-2008, 12:29 PM   #164
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Highland 950

Are these for sale in the US or Canada?
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Old 11-21-2008, 04:29 PM   #165
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Are these for sale in the US or Canada?
No dealers, if that's what you mean. I have a used Motard licensed in Tennessee that I would sell.

Robert
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