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+--- Thread: TPS setting (/showthread.php?tid=58673)
TPS setting - mcyoungy - 16-05-12
Am I right in thinking that the static setting that equates to Ivan's method is to set the TPS so that the tacho flicks between 5k and 10k?
And what size are the screws? I just mullered one.
Thanks
Re: TPS setting - Falcon 269 - 16-05-12
Yes, either method you mention will achieve the effect of advancing the standard ignition curve. Ivan's method is more engine-led. The tacho method is more neighbour-friendly.
T-20 Torx, IIRC. Sorry, don't know the actual screw size in mm.
Re: TPS setting - mcyoungy - 16-05-12
thanks Mike, much appreciated.
Re: TPS setting - cable tie - 16-05-12
Mike have you tried pats method of running the bike @ 3800 rpm and make adjustment to tps !! if so did you see any improvement over the 5k tacho setting, Ive set mine bang on 5k, but wonder if pats prefered method works better.
Ive also got a 3 degree ignition advancer fitted, so setting my tps to 5k is correct!!
Dave.
Re: TPS setting - solorider - 16-05-12
looking on the yamaha service manual when the rev counter shows 5k the tps is in the correct position,if the rev counter shows 0rpm then the angle is too small,if it shows 10k then the angle is too big
Re: TPS setting - mcyoungy - 16-05-12
yeah but...................... according to Ivan et al if you set the TPS so it's flicking between 5k and 10k then you've got some ignition advance, giving a crisper throttle response.
Re: TPS setting - Falcon 269 - 16-05-12
(16-05-12, 09:45 PM)cable tie link Wrote: Mike have you tried pats method of running the bike @ 3800 rpm and make adjustment to tps !! if so did you see any improvement over the 5k tacho setting, Ive set mine bang on 5k, but wonder if pats prefered method works better.
Ive also got a 3 degree ignition advancer fitted, so setting my tps to 5k is correct!!
Dave.
What Pat describes on his site is Ivan's method.
I've tried 'em all, as you can imagine.Without an ignition advancer, you get much the same outcome using either Ivan's method or the 5-10k flicker on tacho approach.
With the advancer, I set mine at 5k rpm on the tacho.
Re: TPS setting - cable tie - 16-05-12
Thanks Mike
(16-05-12, 10:45 PM)mcyoungy link Wrote: yeah but...................... according to Ivan et al if you set the TPS so it's flicking between 5k and 10k then you've got some ignition advance, giving a crisper throttle response.
My bike has very crisp throtle responce and after syncro the carbs is very smooth pulls top gear 25mph nicely and i can crawl at walking pace without feathering the clutch, than give it some chicken and it has a very strong power delivery, its very deceptive how quick it is, But i still got some vibs i can feel em in the tank, i suppose ill have to live with em .
Dave
Re: TPS setting - mcyoungy - 16-05-12
well I bit the bullet and spent 3 quid on a T20 security Torx driver. I'll probably scrap less screws than by hammering a regular Torx into them.
Re: TPS setting - Falcon 269 - 17-05-12
The cheap trick is to use a small jeweller's screwdriver as a chisel to remove the nub in the security Torx screw.
You didn't hear that from me ...
Re: TPS setting - mcyoungy - 17-05-12
too much finesse there Mike :lol ............... I found that using a persuader on a regular Torx bit flattened the tit enough to get the screw to shift... til I overtightened it :rolleyes