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CP Piston 100mm 11:1
Hello,
I was surfing on the internet and this was coming by. http://www.gw-racing-parts.de/index2...is=2010&lan=en Search for this article name: PCPXT660/04-09/100mm Did somebody tried a higher compression piston with the stock cylinder size? And so yes is this recommend? HP gain? torque gain? Is the diamond honing really necessary or only on a engine with allot of km's? Greetings, Thom Plas
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XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm |
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I have seen their pistons & tunning kits, you get around +1.5 more HP per 1:1 compression point, so you will have 1.5 more HP going from a 10:1 to a 11:1 piston of the same bore size.
If you set the correct deck height for the piston you can see 2 more HP per compression point, the XT has a low deck height as standard. I would not diamond hone a nikasil bore, I have always used a fine scotch brite pad The min I would go on the XT motor is 11.5:1 CP piston with a Raptor 102mm cylinder, you can machine the cylinder skirt so the cylinder drops right into the standard XT casings.
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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 |
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Thanks for ur reply, i've found the piston.
http://www.tqsatv.com/proddetail.php...00-TECH-PISTON Greetings, Thom Plas
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XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm Last edited by Thom_p93; 05-12-14 at 00:56. |
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Christmas is early 102mm CP Tech piston 11,5:1 and Throttlebody bored out to 46mm by www.Maxbore.com Next step is to port my cylinderhead and get a 102mm OTR Cylinder Is there a other brand or company than OTR that offer bigger exhaust headers? Cheers
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XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm Last edited by Thom_p93; 05-12-14 at 01:36. |
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Hi Kev,
Can i run RON 95 and 98 on a 11,5:1 piston? Or is it only recommend to run RON 98? And do you know the specs for the needed deck height? Greetings, Thom Plas
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XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm Last edited by Thom_p93; 16-12-14 at 11:51. |
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98 RON would be the one I would be using.
__________________
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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Okay thanks Kev!
Just sent my cylinder head to america for a porting and flowing proccess. And it will be power coated black I'll post some pic's if its done!
__________________
XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm |
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Look forward to seeing your results.
__________________
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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Just started with breaking done the bike.
Are there things to look after? what's important? Also made a 220v adapter for my powercommander. Build it by myself for only 10 bucks. Normally it cost 70 bucks??
__________________
XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm |
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Yesterday i went further with the bike.
The engine is finally dismantled from the bike The hardest part was to lower the engine out of the frame :/ Everything went oke with ur instructions kev. What is that engine heavy, wow haha. Kev is there a way to change the thread's name? Some pics
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XT660X '05 - BIG BORE 102MM - PORTED HEAD - CP TECH PISTON 11,5:1 - PC III - AKRAPOVIC EXHAUST - HOMEMADE DNA STAGE 3 - CRD HEADERS - THROTTLE BODY +2mm |
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