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Old 14-09-08, 04:42 PM   #1
Dappa D
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Default Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

You want to ride full throttle everywhere!!!

as some of you will know i was rejetting this weekend...

i defoamed the tank yesterday..no probs...

and today i swapped the standard 137.5 mikuni jets for 155 mikikuni jets and fitted my BMC RS filter...i love it...

sounds lovely...feels faster...sounds lovely...pulls better...and sounds lovely!!

Id like to say a big thankyou to the .org...and the special thanks to the replies to my initial thread...i would not have had the confidence to even consider doing this myself let alone actually do it with success had i not have had the experienced words of others on here....

Dappa D
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Old 14-09-08, 04:45 PM   #2
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

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To make a slightly educated guess at your main jet size... 155.


Hehehehe [/gloat]
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Old 14-09-08, 04:47 PM   #3
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

Well done, it is worth it all for the noise.....
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Old 14-09-08, 04:50 PM   #4
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

Now fit tank raisers ... an earplugs hehehehe
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Old 14-09-08, 04:53 PM   #5
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

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Now fit tank raisers ... an earplugs hehehehe
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Old 14-09-08, 04:56 PM   #6
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

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Hehehehe [/gloat]


yea yea yea!!!...gotta be honest i went with these first based on what you suggested and boo86 saying he may be a bit lean on 152.5's...

i would have been very upset if i had to do it all again to fit a different size...but im happy..

yep all worth it for the sound...

oh yea forgot to say i do have some tank raisers (hard rubber tap washers) but need to drill the holes bigger....and had enough spannering for one day...yes earplugs are in order!!
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Old 14-09-08, 05:12 PM   #7
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

Did you go for the RS (fully open) or the normal one? I'd like to fit one to mine, but too tight to get a dyno run to get the jetting correct ... so if I have ballpark jets, I'll diy

What 'zorst you got on BTW? Full system or just a can?
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Old 14-09-08, 05:16 PM   #8
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

Mine's micron system, cut down can, BMC race RS, tank raisers, defoamed ... 165's, can't remember what needle setting.

I believe dappa has OEM system and a can
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Old 14-09-08, 05:20 PM   #9
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

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Did you go for the RS (fully open) or the normal one? I'd like to fit one to mine, but too tight to get a dyno run to get the jetting correct ... so if I have ballpark jets, I'll diy

What 'zorst you got on BTW? Full system or just a can?
yes its the RS..was some confusion in the beggining (as was 2nd hand) but now confirmed its an RS...

bike has standard pipes with just a viper end can and everything else standard...(for now)...

im hoping to get it on a dyno at the end of the month out of curiousity to see whats going on....unfortunaltly wont have a "before" but at least will know if i should re-shim / change pilots or a/f mix etc...
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Old 14-09-08, 05:22 PM   #10
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Default Re: Oh Dear Oh Dear...The problem with fitting a BMC Filter and rejetting is.............

Take it to 6krpm in 3rd ish, whack the throttle open ... hesitation/spluttering there says mains are too small.
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