Dyno sheet

by **Pedda** » Thu Nov 15, 2012 10:45 pm

Have we got dyno bench experts on here?

This is what my Kat pressed onto the roll today:

: Performance+ Torque + Lambda (Klein).jpeg (48.03 KiB) Viewed 8885 times

135,8 hp with 110 Nm

Specs:
1230cc EFE engine
ported head
Stage 1 web camshafts
RS 38 carbs
K&N oval pods

When I shut the throttle the engine always needs half a second to get back to idle.

Comments welcome.

by **NickNZ** » Sun Nov 18, 2012 6:35 am

Thats good hp, you must be happy with that

by **FBJ admin** » Sun Nov 18, 2012 9:51 pm

Hi Pedda, weldone on the big power, you must be happy with that, with regards to the RS38" carbs I ran them for a few years on my trick efe,. I loved the noise and the look, you have to get used to shutting the throttle quickly with your hand. In the end I changed mine a month back for Bandit 1200 carbs. To be fair I think as a road going carb the CV ones are better, more friendly, IMHO. :shock:

by **YoshiJohnny MOD** » Tue Nov 20, 2012 11:20 pm

Yep decent power is that...

if that is just a power run in 4th it might be worth just seeing what the fuelling is like at very low throttle opening RS flatties as with any carb need a lot more setting up than injected stuff. Running over on shut off usually means it's running lean or the throttles are sticking (weak springs/one spring used instead of 2 to try and lighten them). Looks pretty good though.

YJ

by **Pedda** » Wed Nov 21, 2012 8:07 am

Thanks guys,

The dyno runs have been made in 5th gear. The carbs are run with a push-pull-assy to make sure they always shut securely. I already did some tweaking on the mixture screws butt no joy. I think I'll check for air leaks once again and start from zero.

by **Speedy STEVE Racer** » Mon Dec 17, 2012 3:11 pm

Hi Pedda,

I forgot to ask you if you are using the V&H 5 degree advancer ?

SSR

by **Pedda** » Mon Dec 17, 2012 3:21 pm

Speedy STEVE Racer wrote:Hi Pedda,

I forgot to ask you if you are using the V&H 5 degree advancer ?

SSR

Yes, I do.

by **Speedy STEVE Racer** » Mon Dec 17, 2012 4:05 pm

Pedda,

If you can't find an air leak and you have adjusted the air screws (max 2.5 turns - out ) and there is no significant change then you might have to increase the size of the pilot jet. I believe that a 17.5 jet is installed in your carbs.

SSR