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Discussion Starter #1
Starting a new project to build a Sixty2 into a race bike to race in our local TrackAddix Lightweight GP class, replacing my Ninja 300 race bike I currently have.

Here it was earlier this week at the first shake-down at the track, it will look WAY different next time out!

 

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So fromt what I can see:

803 Scrambler fork swap with aftermarket internals? (guessing rear done too?)
Crazy looking slicks? Can the 400 even get enough heat into them?
Clip ons and custom triple clamp with clock relocate?

What's going on with the picture of the ABS unit, have you disconnected the rear?

What's next? Guessing rear sets, de-cat exhaust?

What made you choose the Scrambler? Just something different? As I'm assuming the aero penalty can be felt with that much power.

My favourite Sixty2 custom is a cool little racer:
 

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Discussion Starter #4
So fromt what I can see:

803 Scrambler fork swap with aftermarket internals? (guessing rear done too?)
Crazy looking slicks? Can the 400 even get enough heat into them?
Clip ons and custom triple clamp with clock relocate?

What's going on with the picture of the ABS unit, have you disconnected the rear?

What's next? Guessing rear sets, de-cat exhaust?

What made you choose the Scrambler? Just something different? As I'm assuming the aero penalty can be felt with that much power.
It's still very much a work in progress, and will look drastically different by next week! The forks on it for this first outing were loaners just to get it rolling, the final front end will be Öhlins-shod Superbike front end. The ABS I plugged the port to the front lines so I can run a direct line from a Brembo master down to a pair of Brembo calipers. It will have a full Akrapovic titanium exhaust with a stainless revere megaphone muffler, along with a Rapid Bike fuel tuner. It will have some additional cool parts on it as well! ;-)

My intent is to leave it as a naked bike and not go the traditional "cafe racer" route with the dustbin fairing, with a top speed of 100mph or so the aero really doesn't matter. I wanted to get off of the Ninja 300 and onto a Ducati in this race series (since I own a Ducati dealership, I'd rather be riding a Ducati), but until now Ducati didn't make a bike that would qualify for the class (Under 500cc twins), so now that the 400 Scrambler is available the game is on! My theme of this build is "Blacked Out Bling"! Ha ha!
 

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Discussion Starter #6
Coming along nicely now, flurry of activity today at the skilled hands of Master Tech Ben!

 

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All buttoned up and ready for testing round #2 at our track day on Monday!

Amazing, what a ridiculous build. I love it! Are... are they carbon wheels?! haha

+1 on ripping off the frame stickers (so glad we aren't subjected to them in the UK)

What's next, rearsets to get rid of the rear pegs and gain some ground clearance? What rear shock are you going to go with?

Money no object, I'd love to do something like this to my 800.
 

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Discussion Starter #10
Amazing, what a ridiculous build. I love it! Are... are they carbon wheels?! haha

+1 on ripping off the frame stickers (so glad we aren't subjected to them in the UK)

What's next, rearsets to get rid of the rear pegs and gain some ground clearance? What rear shock are you going to go with?

Money no object, I'd love to do something like this to my 800.
Yes, BST cabon wheels! Frame stickers are touchy here, removing them can cause massive problems down the road if the bike is sold and crosses state lines, so even though they're ugly I leave them on. However, I WILL cover them with black tape! Rearsets just came in today, and are going on now. I needed the pegs a lot higher and farther back than any of the production rearsets for the Scrambler are capable of so I'm adapting a Rizoma kit for another bike to make it work, I'll post up pics of that if it works! I am getting the Mupo AB2 racing shock with remote gas reservoir, hopefully that will be here soon.
 

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cool project! what other bikes are in the class? I have to imagine this will do a bit better out of the corners with the low end torque, and suffer on the straights...depending on what you're up against though - either way i dig it!
 

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Discussion Starter #12
cool project! what other bikes are in the class? I have to imagine this will do a bit better out of the corners with the low end torque, and suffer on the straights...depending on what you're up against though - either way i dig it!
The class allows twins up to 500cc and singles up to 590cc. It's pretty much dominated by "built" Ninja 300's in the Expert class, closely followed by Supermotos. I thought the low end tourque would help too, but it really doesn't on the track. The engine needs to be kept at 8000 RPM to make power, and then it hits the rev limiter immediately. We're going to try raising the rev limit with the Rapid Bike Evo unit to see if we can extend the powerband a little bit. In stock form as it sits now, a built Ninja 300 will pull away by 10mph on the straight, and it's dead even with a Ninja 300 that just has a slip-on and power commander. The nice thing is with this being a Ducati, if I do need more power it's much easier to get it than it is on a Ninja 300!
 

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in the first picture what front wheel is that? looks like a 17 inch? did the ABS still work with a 17" front wheel?
 

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Discussion Starter #14
in the first picture what front wheel is that? looks like a 17 inch? did the ABS still work with a 17" front wheel?
That was a "loaner" wheel, 17" Marchesini forged wheel from a 1098R. Yes, ABS works fine with a 17" wheel, the front speed sensor ring mounted on the outside of the brake rotor is the only requirement for ABS to work.
 

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Discussion Starter #16
very cool, thanks! does the 1098 wheel just bolt straight on, or is there a spacer or something needed?
It does not just bolt on, the brake rotor spacing is not correct so it takes either a different rotor or using spacers on the rotor. And that was using 800 Scrambler forks, not the 400 forks. We had to use a different axle also, and I believe we had to use a different wheel spacer, but I didn't record anything required to make it work since that was not the purpose of that effort, it was simply to cobble things together to get it to the track for the first test. Now it has a proper Superbike front end on it, so of course the Superbike wheel setup fits right up with on problem.
 

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The class allows twins up to 500cc and singles up to 590cc. It's pretty much dominated by "built" Ninja 300's in the Expert class, closely followed by Supermotos. I thought the low end tourque would help too, but it really doesn't on the track. The engine needs to be kept at 8000 RPM to make power, and then it hits the rev limiter immediately. We're going to try raising the rev limit with the Rapid Bike Evo unit to see if we can extend the powerband a little bit. In stock form as it sits now, a built Ninja 300 will pull away by 10mph on the straight, and it's dead even with a Ninja 300 that just has a slip-on and power commander. The nice thing is with this being a Ducati, if I do need more power it's much easier to get it than it is on a Ninja 300!
I had a 400 as a loan bike for a while... surprisingly rev hungry! Not the same engine character as the 800 at all. Time get it bored out to 500cc then!
 

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Discussion Starter #18
Did some more mods before the last track outing, most notably we got a test unit from Rapid Bike with the rev limiter raised 1500 RPM from stock to let the top end power rev out a little longer, and installed some Rizoma rearsets adapted from another bike which moved the pegs back about 4" and up about 2".

 

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Discussion Starter #19
I have now completed the first race on the bike, it's getting better but still have a lot to do. I was having major ground clearance issues with the "loaner" Ohlins rear shock that I had installed, I was actually dragging the header pipe in right-hand turns. The band-aid fix for that was I just cranked in all of the preload that I could get into the rear shock spring as well as the front forks, That got me enough clearance to keep the header off the ground, but of course the handling was compromised. I was able to stay ahead of the Amateur class racers, but couldn't keep up with the Expert class racers in this one, still about 5-6 secs off the pace. The bike needs more power, and taller gearing since I was hitting the rev limiter in 6th gear before the braking zone for Turn 1.

Here was the bike at the track getting ready to race:

 

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Discussion Starter #20
Another track test coming up on Monday, and we've got more new things to try on the bike again! I received my Mupo gas-charged racing shock with ride-height adjuster, and we also removed the front of the airbox and the air filter and replaced it with a "test" pre-filter I made from some MWR filter foam that I had lying around. I took it up and down the access road in front of our shop a few times, and the butt dyno says it's better but I won't know for sure until I get to the track on Monday. We also installed a 16-tooth front sprocket to give it more legs on the straight.


 
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