Dyno'ing Banshee

[wickedSS]

I have an opportunity to dyno my quad for free at a college engineering dyno. The only problem is that there is not a "banshee tuner" there, I just have access to the dyno.

 

I want to do some tuning but I'm not familiar where the numbers should be in order to be "on the safe side"...so it's not too lean or too fat. I have dyno'ed a snowmobile so I know how to read the dyno #'s etc, just need to know WHERE the numbers need to be and any other tricks you guys might have picked up while dyno'ing your quads.

 

Thanks

[Ducman]

You want your A/F at about 13:1 Above 13.5 is in the danger zone, above 14 and cylinder temps get hot enough to melt stuff if you go WOT for long enough.

 

Knobbies also take a few ponies off your #'s and do funny things, shake, grow, smoke, ext. If your can run slicks or a hard street type tire it works beter.

[locogato11283]

after they tell you to let off WOT DO NOT pull the clutch in and let the bike come to a stop. thats a real good way to weld your clutch push rod and ball together. just use the brakes to slow yourself down and when you get going slower pull the clutch in and down shift.

[wesw]

the shop that i go to does this.

 

 

go thru the gears kinda warm the bike up. get in 5th gear, get it around 4000 rpms. the tells me to look at the screen when it turns green, its ready. you just mash it wot.

 

after he tell you to let off, it keep it going, by that dont pull in the clutch, it will weld the rod and ball together bigger than shit. your tire spinning 60 mph and you pull the clutch you have a lot of force on that little thing.

 

 

most shops get a couple 3 runs to get asome what of an average or see if it gets better.

 

then they adjust your jetting as needed.

 

 

it well worth the money and it will tell you exactly what your motor needs and doesnt like.

 

you can learn alot like how your stock ignition box is cutting you down, blah blah

 

priceless info but gets expensive for it

[FULL_METAL_JACKT_II]

after they tell you to let off WOT DO NOT pull the clutch in and let the bike come to a stop. thats a real good way to weld your clutch push rod and ball together. just use the brakes to slow yourself down and when you get going slower pull the clutch in and down shift.

365305[/snapback]

 

 

 

 

GOOD TIP!!!

[superchicken]

but is it good for the engine to hold it at wide open throttle and let off the gas.the reason i say this is because the engine is turning at say 9000 rpms and suddenly your letting off the gas and your now only feeding the engine a little gas and lubrication off your pilot circut.i heard you can wipe out a top end by doing this repetedly.insuficaint lubrication,at the upper rpms.

whats your thoughts everyone?