JDC
Zone Head
Posts: 570
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posted March 12, 2009 08:04 AM
Trottle position
Does anyone know a reliable and accurate method to tell what TP you are at?
I would like to adjust my map for cruising from 3.5-4.7K RPM, and only adjust in the TP range for cruising. That should be a fairly low TP graph.
Thanks.
  
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TooHype
Expert Class
Go Hard or Go Home !!
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posted March 12, 2009 08:14 AM
I think the PCIII program shows all that, but must have PCIII and software to access.
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dubious
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posted March 12, 2009 09:21 AM
I don't have the service manual with me , the tps will relay TP via voltage.
Calibrate the PC3 via 0 and 100% TPS.
I haven't played with my bazzaz yet but it must have the ability to calibrate with the TPS
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JDC
Zone Head
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posted March 12, 2009 11:57 AM
The Bazzaz does have TP, but unlike PCIII you can not reset the TP.
Yes, I think there is a voltage conversion for A/F.
Guess I am not getting yet how to get the TP for the RPM range when cruising.
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dubious
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posted March 12, 2009 02:18 PM
are you asking how to target the a/f ratio for the rpm range when cruising?
You can target the a/f in the rpm range you cruise, and anything below 50% throttle for example.
A drag specific map will be set for 11.2- 11.8(turbo), (12.9 N/A) or whatever target you desire for the entire rpm range, which might make it fat when cruising,
Then for cruising modify / lean that map for all fuel cells below say 6000 rpm, and 0- 40% throttle, ( cruise rpm and throttle position) this will give you decent fuel mileage, plug longevity, and good power when on the gas at any rpm, 50% throttle or more,
Kawasaki makes a pig tail to calibrate your TPS if its damaged or replaced, and you can derive throttle positions by the voltage and a meter while riding, but a much simpler method is to put a piece of tape on the throttle housing, and one on the throttle flange on the tube,, whereyou thumb is on the grip, each piece will be wrapped around the circumference of the housing and throttle tube.
allow the throttle to close and mark a straight line across on to each piece of tape, the housing mark is 0%, then twist the throttle wide open and mark a line from the original on the throttle tube across to the tape on the housing, this will be 100%, then mark a line on the housing half way bewteen 0 and 100 for 50%, and again between 0 and 50 for 25%, and a mark bewteen 50 and 100 for 75%.
Works best with medical tape, and a jiffy marker.
this will give you an idea wher your cruise TP is when riding the bike.
We used this method to tune the pilot, needle height, and daimeter, and the main jets in motocross all the time.
To tune it better a RPM and map based piggy back works the best.
On a boosted bike, MAP Vs RPM is more important TP.
your boost (MAP )which is directly relevant to rpm and is determined by your throttle position and engine load , therefor TP doesn't matter as much as on a Naturally aspirated bike.
This is where the PC3 and LCD with map sensor is better than the Bazzaz......on a boosted bike.
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bigdtd
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Interceptors
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posted March 12, 2009 02:21 PM
 Edited By: bigdtd on 12 Mar 2009 22:26
the pcIII with lcd shows throttle position % all the time
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dubious
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posted March 12, 2009 02:24 PM
and can also have a map sensor hooked up to map for different boost pressures as well....
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JDC
Zone Head
Posts: 570
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posted March 12, 2009 09:53 PM
Edited By: JDC on 13 Mar 2009 05:55
quote:
a much simpler method is to put a piece of tape on the throttle housing, and one on the throttle flange on the tube,, whereyou thumb is on the grip, each piece will be wrapped around the circumference of the housing and throttle tube.
allow the throttle to close and mark a straight line across on to each piece of tape, the housing mark is 0%, then twist the throttle wide open and mark a line from the original on the throttle tube across to the tape on the housing, this will be 100%, then mark a line on the housing half way bewteen 0 and 100 for 50%, and again between 0 and 50 for 25%, and a mark bewteen 50 and 100 for 75%.
Works best with medical tape, and a jiffy marker.
Excellent idea, I will do it. Some times simple methods are elegant. Thank you.
I am not sure I follow this:
To tune it better a RPM and map based piggy back works the best.
On a boosted bike, MAP Vs RPM is more important TP.
your boost (MAP )which is directly relevant to rpm and is determined by your throttle position and engine load , therefor TP doesn't matter as much as on a Naturally aspirated bike.
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JDC
Zone Head
Posts: 570
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posted March 12, 2009 09:56 PM
Edited By: JDC on 13 Mar 2009 05:57
quote:
and can also have a map sensor hooked up to map for different boost pressures as well....
dubvious, you are meaning a switch to change out maps, each map being specific to a PSI or other riding condition?
Yes, the Bazzaz has that ability to flip a switch/map change.
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