Ducati powered MPS750-F project

[Seldom Seen Slim]

Okay, Stainless.  I thought. . .but never mind.  I was close, right?

[Duck-Stew]

Been cleaning up the garage and work bench in prep of the 749R motor coming out for a rebuild.  PJ's Triumph / Ducati has generously sponsored the motor rebuild parts (a large portion of them) and they're on order due to be in this friday.

My goal is to get the motor out and look inside this weekend.  Hopefully that'll happen.   

Got a deal ($free.99) on a slightly fried 999 wiring harness to use some of the specific pigtails from.

Also got the wiring harness figured out.

[tauruck]

The 749R is a special bike to me. I had one (#211) for all of 15 minutes. Long story. I can do most things but wiring no. It's a frightening prospect. Knowing the Italians yours must be a little complicated. I'm watching this build.

[Stan Back]

Do they still use those exposed ceramic fuses?

[Duck-Stew]

Do they still use those exposed ceramic fuses?

They dropped use of those in the late 80's... Thankfully!!!  ATC/ATO style now.

The 749R is a special bike to me. I had one (#211) for all of 15 minutes. Long story. I can do most things but wiring no. It's a frightening prospect. Knowing the Italians yours must be a little complicated. I'm watching this build.

Been customizing Ducati Monsters for years, so nothing on them intimidates me much... 

Hope to get a $ influx next week which will help the project along nicely...

[tauruck]

Maybe a $$$$ would be mo better. If you've got enough money for racing it's still not enough.

[Duck-Stew]

It's a constant trade-off (battle?) of time versus $$$...

But I'm sure there are a few here who share that sentiment. 

It's becomming an option that the bike may not make El Mirage in May.  Dammit.

[Mobacken Racing]

I know that feeling, the good thing about it is that we are forced to learn to do things ourselves instead of just paying someone to do it for us.

[Duck-Stew]

Got some free time (pure luxury these days) this weekend and pulled the motor out for it's rebuild.  In the 2nd shot, you can see the casting designation of the 749R head as well as the 6mm titanium valves. 

[tauruck]

The day will still come when a 749R lives im my living room. I love those Dukes.

[Duck-Stew]

Also FYI:  I found out this weekend through some internet research that certain 749R street motors were known to destroy themselves even if street ridden under the factory rev limiter.

I find this disturbing...  Am anxious/nervous to see what the lower end looks like.

[Duck-Stew]

No pictures on this update...  BUT, I did order up the SpeedHut gauges and a MicroSquirt ECU today.

260mph GPS speedo 2 5/8" face
12K rpm tachometer 2 5/8" face
120'-260'F coolant temp 2 5/8" face
and a small shift-light

I was really happy to know that SpeedHut was able to make the 260kph speedo into a 260mph speedo for free. 

[wobblywalrus]

Does the Ducati have a plain bearing or rolling element lower end?

[Duck-Stew]

Main bearings are roller, rods are plain.

[wobblywalrus]

My advice was about isolated failures of an otherwise good design with roller bearings on the rod big end.  None will apply here.  What do the experts say?