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  # 1  
Old 29-03-11, 03:19
aps aps is offline
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Crankshaft position sensor output

Hi all, does anyone know how many pulses crankshaft position sensor output for one crankshaft revolution.
I tried to find it in service manual and i'm pretty sure there isn't such thing in.
  # 2  
Old 29-03-11, 05:00
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Depends on which ECU you have.

00 & 01 ECU's have one pulse per 360 degrees of crank rotation & the ignition sparks every 360 degrees

10 & 11 ECU's have one pulse per 360 degrees of crankshaft rotation & the ignition sparks every 720 degrees.

I am working on a mod right now, which will be able to advance the ignition timing by 4 degrees & will only cost a few $ to do.
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Mods that I have done to my XTX's

My 04 XTX
Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil /
[
My 07 XTX
Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator /

My 09 XTX
59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details

Now ride a 2018 MT09SP ABS + TCS

My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946

  # 3  
Old 29-03-11, 18:38
aps aps is offline
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Quote:
00 & 01 ECU's have one pulse per 360 degrees of crank rotation & the ignition sparks every 360 degrees
Can you explain this a little bit. This sound like 2stroke engine. Is this ECU one from TDM that have 2 cylinder so every 360 degrees one of cylinder have spark or something else.
Quote:
10 & 11 ECU's have one pulse per 360 degrees of crankshaft rotation & the ignition sparks every 720 degrees.
How can I identify my ECU. I have XTX year 2005.
Does ECU make spark as soon as pulse come (360 or 720) or it wait some time.

Quote:
I am working on a mod right now, which will be able to advance the ignition timing by 4 degrees & will only cost a few $ to do
Interesting. Why do you want to do that. I think it will be pain to do that because of 1 pulse. Do you want to do this through hole rev range or just at high revs. Just High isn't it.
Do you know how pulser (sprocket or something) look like. If you know do you have picture of it. I thought about replacing this one that have 1 "tooth" with one that have 4 "tooth" if his only job is to pulse variable reluctance sensor (crankshaft sensor). Later it is easy to bring this pulses (4 of them) to the ECU through electronic counter/divider (by four) that will make one pulse every 4 pulses from sensor. ECU will not notice any change. Like this you can count time (degrees) from third pulse. It would be more accurate.
  # 4  
Old 29-03-11, 23:26
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[quote=aps;152532]Can you explain this a little bit. This sound like 2stroke engine. Is this ECU one from TDM that have 2 cylinder so every 360 degrees one of cylinder have spark or something else.

How can I identify my ECU. I have XTX year 2005.
Does ECU make spark as soon as pulse come (360 or 720) or it wait some time.


Interesting. Why do you want to do that. I think it will be pain to do that because of 1 pulse. Do you want to do this through hole rev range or just at high revs. Just High isn't it. I want more torque out of the motor, I will tell you how I did once I have done it.
Do you know how pulser (sprocket or something) look like. Only from photo's If you know do you have picture of it Google Raptor 700 flywheel / stator & you will see what it looks like. I thought about replacing this one that have 1 "tooth" with one that have 4 "tooth" if his only job is to pulse variable reluctance sensor (crankshaft sensor). Later it is easy to bring this pulses (4 of them) to the ECU through electronic counter/divider (by four) that will make one pulse every 4 pulses from sensor. ECU will not notice any change. Like this you can count time (degrees) from third pulse. It would be more accurate
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Click here to join the XT Supporter's scheme

Mods that I have done to my XTX's

My 04 XTX
Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil /
[
My 07 XTX
Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator /

My 09 XTX
59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details

Now ride a 2018 MT09SP ABS + TCS

My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946

  # 5  
Old 30-03-11, 01:22
aps aps is offline
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I know you can advance timing and use fuel with higher octane rating to get more power/torque.
I have seen moded toyota supra with high timing advance and 100++ octane rating fuel gained 60HP.
  # 6  
Old 30-03-11, 02:04
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Kev Kev is offline
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We already know by advancing the timing 3 degrees across the whole range give us more HP & Torque.

This is a dyno run proving the gain with 3 degrees advance. Blue line has 3 degree advanced.

__________________
Click here to join the XT Supporter's scheme

Mods that I have done to my XTX's

My 04 XTX
Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil /
[
My 07 XTX
Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator /

My 09 XTX
59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details

Now ride a 2018 MT09SP ABS + TCS

My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946

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