ESE's works engine tuner

[crbbt]

Hello Brains trust,

I am wondering if anyone can advise me on removing the powerjet tube that protrudes into carb bore?

specifically on a keihin spj.

The issue I have is that the tube's outlet/discharge is facing away from the carb slide and need to be rotated 180.

I am assuming they are a press fit but do not want to destroy the tubes or the carbs

Thank you!

[Peljhan]

That is what I was referring to earlier that I am almost certain that most dyno softwares are adding some level of "correction" that is not user adjustable.

Where I am, dynojet is the most popular commercial dyno around. There are two local to me that I have had bikes on and the outputs are similar. When I set up our Dtec dyno, the power numbers were very low, so I did the same as you and adjusted the MOI to get them as close as I could to the dynojet figures so that, whilst not perfect, there was some level of comparability.

I think Wobbly stated that DynoJet overcorrects for 15%
Do you know how much did you adjust the MOI from what it actually is?

Darren from Dtec said, their software is made on known basic equations and no additional factors are used.
Dynomec had some correction inside that was 1.30, exactly the difference with Dtec.

I also saw written on VHM page for their dyno tests:
- We measure on the rear wheel, but add a small correction factor (0.05PK/Kmh) for the crankshaft. So the graphs in the video's show the power on the crank.
What junk of correction is that? And definetly not small. For 50cc measured from 30-120km/h that is 1,5hp at bottom and 6hp at overrev. So for weak bikes it can double the power and for 1000cc bike is like nothing.

Thanks for suggestion Frits, but that was not the case as you can change from imperial to metric in the software. Downside is I can't choose HP/Nm/°C, only HP/lbsft/°F or kW/Nm/°C because we all speak in HP figures between friends.