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low end engine lag

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low end engine lag - 8/29/2005 3:19:58 PM   
shinysideup


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i noticed that the motor seems to bog out in real low rpm's when just starting out. if i punch it right off the line, it bogs for a sacond, and then pulls. i heard about disabling the air duct over the radiator and gave it a try. if anything, i would say that it lagged more. i just put the hose back on yesterday and really cant tell a difference. is there some kind of problem, or is it just because it is a liter bike and it wants to go, not put?
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RE: low end engine lag - 8/29/2005 3:32:22 PM   
chainstretcher



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You still running stock exhaust? I can't see disabling the flapper helping much with the stocker. Completely removed mine (pain in the a$$) and it's a noticeable difference. Launching hard on these bikes requires some feathering of the clutch.

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RE: low end engine lag - 8/29/2005 3:36:47 PM   
shinysideup


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i have a jardine rt-1 street exhaust slip on. i disabled the hose by simply disconnecting it and putting a plug on the hose, i didnt totally remove it.

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RE: low end engine lag - 8/29/2005 3:55:59 PM   
chainstretcher



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I guess every bike is a little different. Just plugging the hose helped mine out in the low rpms. Total removal seems to be a little more responsive in the mid-range also. If air happened to get by the plug in the hose then that could cause it to run bad. In the end ya gotta go with what runs best for your bike.

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It's better to burn out ...
Than high side!

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RE: low end engine lag - 8/31/2005 11:49:48 AM   
shinysideup


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i figured it out. i just rode my friends bike with stock exhaust and realized that my jardine was what was causing the problem. i just ordered a power commander today and will report back when i put it on.

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RE: low end engine lag - 8/31/2005 1:27:08 PM   
sirlimpzalot


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The power commander should clean up your fuel delivery

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RE: low end engine lag - 8/31/2005 7:16:09 PM   
Runnin1000


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My 1k did the same thing but then I got the full yosh exhaust and I went down 1 tooth in the front sprocket and now it launches like a champ I love it. I sacrificed 11 on the top end but fugg it I never go 180. I thought it was just my bike.

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05' CBR 1000
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Post #: 7
RE: low end engine lag - 9/1/2005 1:27:51 AM   
mmookey


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You should recalibrate the throttle position after installing the PCIII. It made a difference with my bike.

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2004 Black CBR 1000RR
Two Brothers Slip-On Titanium V.A.L.E. muffler
BMC Street Air Filters
Flapper Mod
Powercommander III
Sato rearsets Type 2
CRG black shorty levers
43 teeth Driven rear sprocket
Speedo Heeler

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RE: low end engine lag - 9/1/2005 1:47:41 AM   
05Tribal



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How do you recalibrate the TPS?

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2005 CBR600RR
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Post #: 9
RE: low end engine lag - 9/1/2005 9:37:56 AM   
mmookey


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You can go on the Powercommander web site and go to the animated tutorials to get a detail explaination. All you have to do is plug into your PCIII, establish connection with the unit (Key on and Switch to run), go to Powercommander tools, select throttle position and click the < Key. Your display will show 0% at idle. Now your throttle is recalibrated. You can do this with the bike on or off. I wanted a true setting so I did it with the bike running.

_____________________________

2004 Black CBR 1000RR
Two Brothers Slip-On Titanium V.A.L.E. muffler
BMC Street Air Filters
Flapper Mod
Powercommander III
Sato rearsets Type 2
CRG black shorty levers
43 teeth Driven rear sprocket
Speedo Heeler

(in reply to 05Tribal)
Post #: 10
RE: low end engine lag - 9/1/2005 10:34:18 AM   
05Tribal



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quote:

ORIGINAL: mmookey

You can go on the Powercommander web site and go to the animated tutorials to get a detail explaination. All you have to do is plug into your PCIII, establish connection with the unit (Key on and Switch to run), go to Powercommander tools, select throttle position and click the < Key. Your display will show 0% at idle. Now your throttle is recalibrated. You can do this with the bike on or off. I wanted a true setting so I did it with the bike running.


Thanks!

I just need to take some time this winter when things slow down and take a close look at everything the PC can do.

Adam

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Post #: 11
RE: low end engine lag - 9/4/2005 12:00:04 PM   
shinysideup


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got the pc3 yesterday. ill probably put it on tomorrow unless its a lot harder than i think. ill let you know how it goes.

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Post #: 12
RE: low end engine lag - 9/4/2005 12:42:04 PM   
Weatherman


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hey directions for installation kinda sucks, I thought. Hardest part is getting at the throttle bodies. Solution is to unbolt front bolts for the tank and pull tank back. Good luck!

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Repsol 2005
Two Brothers M2 V.A.L.E Carbon Fiber
Power Commander III
Watsen Design Flush Mount Signals
Lockheart Phillips Carbon Fiber Frame Sliders
Engraved CBR RR Polished Aluminum Rear Spools
Fender Elminator
Flapper Mod

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Post #: 13
RE: low end engine lag - 9/4/2005 1:25:59 PM   
chainstretcher



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When pulling the tank use some soapy water on the rubber boot that's around the filler cap -- can be quite a pain in the arse

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It's better to burn out ...
Than high side!

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Post #: 14
RE: low end engine lag - 9/5/2005 8:55:00 AM   
shinysideup


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yea, it does require a lot of dissasembly, but i have had it broken down more than that already. it will probably be a few days before i get the time to install it

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