|Low rpm engines||qqq||qqq||qqq||qqq||qqq||qqq||qqq|
|High rpm engine||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq||qqq|
Low RPM engines
with redlines of 7000 rpm and lower
High RPM engines
bikes with redlines of 8000 rpm and higher
Important notes about CV carb tuning!
To properly tune, you MUST:
1. Have selected the BEST main jet for full throttle power (not just a "good"
main jet - we mean "the BEST main jet" for power at high rpm).
That eliminates the common severe tweaking of the midrange and lower tuning ranges to compensate for a "wrong" main jet.
2. Then - select the BEST needle height / clip position for power at FULL
THROTTLE / MIDRANGE after selecting the BEST main jet -
That almost eliminates weird problems at cruise caused by tweaked needle heights that were required because the main jet wasn't correct.......
3. Then, adjust the BEST Float Height for BEST FULL THROTTLE / LOW rpm (many
Honda's excluded because floats are not adjustable) -
You should be able to apply FULL THROTTLE at LOW RPM in TOP gear without ANY misfire of bogging or stumble.......
If you follow that order, you will have:
1. Best topend.
2. Best midrange.
3. Best low rpm power.
Then - all you have left is dialing in the pilot circuit - i.e. mixture screw and pilot jet size - That's IT - Don't tweak needle heights and throw away full throttle midrange to try to fix a cruise issue!!! (Unless you want to!)
If you reach an impasse in steps 1,2 and 3 in the FULL THROTTLE tuning, STOP!!!!! and call TECH SUPPORT!!!
415 491-5920 and 800 869-0497, ask for TECH SUPPORT -
" If your not sure which main jet is correct, use the one that is for sure not incorrect"
Koto "the chore boy"
to Factory Pro CV Carb Tuning Instructions
click here to request authorization
|Maxair Engineering - Cruiser Performance accessories added Feb 25, 2004||
Sportbike Network -
Randy Sinisi / Semoff Bros. Ultimate guide! added July 9, 2004
|Suzuki - The Flying Banana - Katana 1100||The Lonesome Twin UK added Feb 10, 2005|
|Sport-touring . net added July 20, 2002||http://www.honda350.com added Sept 7, 2005|
|Suzuki: Mika's 650 Savage - in Finnish added June 4, 2003||TYGA-performance.com/ added Feb 23, 2006|
|Triumph: Thunderbird Sportriders Group added March 18, 2003||
Ruckus Scooters -
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|Vulcan Riders and Owners Club, Manitoba added Feb 10, 2005||xs1100.com XS1100 Forum - dedicated to the first bike with a rev limiter - added April 9, 2010|
|Triumph: Thunderbird SportRiders . net - Gary's site added March 18, 2003|
|Yamaha: Larry's FZR Site - added April 30, 200|
Harvey's VMax Site - www.vmaxchat.co.uk
added April 2, 2003
|Yamaha: V-Max. org added April 27, 2003|
|www.motorsports-toplinks.com added June 13, 2003|