Bimota Forum

[Seven]

After 5 years of ownership I finally decided to bite the bullet & get a Power Commander III fitted.

The bike failed to start for the past 3 months, so I took Akito Man's advice & bought some Brisk spark plugs which I got Holland Engineering Services (01296 728693 Pete Holland) to fit which fixed that issue.

Pete's brother, Ralph, runs MK Dyno which is situated on the same premises (farm outside of Milton Keynes) & he recommended that I get a PCIII fitted to really sort the bike out and remove the flat spot around 6,000rpm. Ralph is a previous SB6 owner himself & ex-Williams F1 engineer so is well aware of the 'challenges' of ownership and his bike was featured in Performance Bikes after it won 'bike of the day' at a Bim Enthusiasts Dyno day in Aylesbury several years ago (shortly before he wrote it off )

Well the results are astounding....the figures are detailed below and for comparison I have included my Honda SP1 which was also run up on the same dyno:

SB8 Max Power: 123.53 (with standard exhausts 1,450 miles)
SP1 Max Power: 121.40 (PCIII with Arrow Race Exhausts 10,100 miles)

SB8 Torque: 72.95
SP1 Torque: 71.70

The bike has improved so much I am now going to keep it after seriously considering off loading it this summer.

Overall it took around 3 hours to set up....1hr to fit the PCIII (neatly located inside the frame under the headstock) and 2 hrs on the dyno. Ralph is semi-retired and having previously worked in the F1 industry is a perfectionist, so he will spend as long as it takes to get the desired result although often this is not reflected in your bill

Give him a call

http://www.mkdyno.com/
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Seven

[oily]

Great result, glad your going to keep her

Do me a favour and fix the link please
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SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED

[Seven]

Link fixed
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Seven

[Pompey]

Wise choice, if you have to think about selling then dont do it, just like overtakes you have to know!
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Pomps
Bimota's Db2, Db5 ,Ducati's 851' 92, 888' 93, Honda blade' 93, Triumph speed triple' 07, kawasaki zxr 750 k1

[vasculopath]

Hi, I recently picked up an SB8RS here in the states. Has arrow pipes and fuel trimmer.

My Bike has a very abrupt on-off throttle response, that a PCIII may help. Dyno Jet does not list a PC for our bikes, is it the TL1000R one?

Thanks!
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You are not your bike.

[zombie]

Two easy things to do if you don't want to spend out on a PCIII

1) Set idle to 1.4K so the throttle never reaches the place where it falters when opening again

And/Or

2) Adjust the TPS very slightly so its a bit more rich - i.e. the TPS indicates that the throttle very slightly more open than it is.

All the best,
Zombie

[SB8R Tuner]

Congrats on the SB8R ownership!! If your wanting to get it running like it should you will need to do more than just tweaking the TPS, increasing the idle or installing a PCIII. You need to get the stock ECU reprogrammed and some other problems fixed. I own two SB8R's and have spent the past few years working out all the bugs. There is another thread that I authored about reprogramming the factory ECU, take a look at it. Reprogramming the factory ECU will allow the correction of several issues that installing a PCIII will never correct. I am now working on making the shower injector manifold for the dual injector option I will come out with soon. Also check your air filter. I have heard of a lot of them being dry rotted.

ENJOY THE RIDE!!

[vasculopath]

Wow, thanks for the advice, and I'll look for your thread. If I do go with a PCIII, is it the TLR Unit?
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You are not your bike.

[SB8R Tuner]

Dynojet does not make a PCIII for the SB8R. The people who have installed them have to adapt them to the SB8R. I have no idea which one they use.

[Seven]

[Seven]

Here's the evidence


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Seven

[vasculopath]

Thanks Seven! Just the info I needed. I'll confirm with DynoJet. This is probably the route I will go, for the reasons you specified. Cost and Ease may trump perfection.
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You are not your bike.

[SB8R Tuner]

When you look at what you get with a PCIII, it is cheaper. But you get what you pay for. I think Seven might not understand that just tuning the ecu would not be that much. The $3000 was for a lot more work than just ecu work. I modify the entire fuel system, degree the cams, modify the throttle bodies and spend at least 20-30 hours on the dyno. So you can see why I have to charge more. But then again, you get what you pay for. Buy the way my SB8R make 130+HP. Go figure!

[vasculopath]

Well, if you were in Albuquerque or Santa Fe, I would take you up on it, but it sounds like it would get complicated otherwise. I'm open to all solutions, but shipping my bike somewhere is probably out of the question, and I would prefer things I can do myself, and there are Dynojet tuners locally....so...

[Seven]