Dang just can't get it right

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Dang just can't get it right

Post  Cricket650 on Wed Oct 03, 2012 5:29 am

I'm running
Needle-B53e
Pilot-68s
Main-175
Air Screw-1.5 turns out

It seems to be lazy on the get up and go and when backing off she backfires, I'm running and FMF powerbomb system and motor is stock.

It had the lean serge with a 172 main and popping on WOT, 175 has stopped that and pulls better but now the idle will go up and down.

Any hepl would be great
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Cricket650
L Rider

Joined : 2012-10-03

Posts : 17
Location : Australia
XR650R Year : 2000

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Hmmm

Post  Cricket650 on Wed Oct 03, 2012 8:32 am

Took for test ride and have checked the plug, plug colour says it is now spot on. I have also checked float level and found it to be way too high so I have now got it to 15mm from top of bowl which is alittle too much by 1mm. It is now harder to start and I can't seem to get the idle right?? Help please
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Cricket650
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Joined : 2012-10-03

Posts : 17
Location : Australia
XR650R Year : 2000

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Re: Dang just can't get it right

Post  babuja on Fri Oct 19, 2012 1:27 pm

Cricket650 wrote:Took for test ride and have checked the plug, plug colour says it is now spot on. I have also checked float level and found it to be way too high so I have now got it to 15mm from top of bowl which is alittle too much by 1mm. It is now harder to start and I can't seem to get the idle right?? Help please

Mode: XR 650R 07
Exhaust: Pro-Circuit complete exhaust
Inlet: Xronly Side Panel cutout
Altitude: Sea level < 1000feet
Temperature: 75-95ºF
Humidity: 70-90% [Angola]

Couldn´t get my hands on a 178 and used a 175 on the 4th position down from top.

Bike running stronger, wheely comes out every time...sound perfect but need further test drive.

Just noticed some increment on oil temperature but not sure if results from higher air temperature (summer is coming up), or any other reason.
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babuja
XRR Jockey

Joined : 2011-05-20

Posts : 140
Location : Angola
XR650R Year : 2007

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In low rpm bike not so strong

Post  babuja on Fri Oct 19, 2012 5:33 pm

In low rpm bike not so strong...not sure what to do.

Try do adjust air mix or move needle?

Guys, need some advice how to proceed.
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babuja
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Joined : 2011-05-20

Posts : 140
Location : Angola
XR650R Year : 2007

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Readings...

Post  babuja on Sat Oct 20, 2012 8:17 am


I'll do some more tests to evaluate low to mid throttle performance, midrange and three-quarters to full throtle performance, and take some readings.

I'll remove spark plug and clear it to see any changes in spark plug to help reading engine lean/rich condition and be right back with some more data.
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babuja
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Joined : 2011-05-20

Posts : 140
Location : Angola
XR650R Year : 2007

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Don't you guys use to mess with your carbs?

Post  babuja on Mon Oct 22, 2012 5:10 pm

Don't you guys use to mess with your carbs?
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babuja
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Posts : 140
Location : Angola
XR650R Year : 2007

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Re: Dang just can't get it right

Post  babuja on Wed Oct 31, 2012 3:01 pm

Adapted from Gary table to my Angolan XR 650R 07:

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