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Author Topic: Project CB690 (KTM 690 engine in a CB550f frame)  (Read 20537 times)

Offline goodoltup

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #200 on: Jul 08, 2019, 14:58:58 »
I pulled the bike down off the lift to check the side stand, it works great. I have done a lot of work lately, but it is all small things and I haven't really taken any pictures. I've mounted the computer, starter solenoid, air temp sensor, barometric pressure sensor, and the regulator / rectifier. It is under the engine in the airflow. Also got new brake and clutch lines installed. Lots of little things. Once all the electric bits are mounted I will move on to the tank.
« Last Edit: Jul 08, 2019, 15:03:13 by goodoltup »

Offline goodoltup

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #201 on: Jul 08, 2019, 15:17:51 »
Also mounted is the tip sensor, coolant reservoir, fusebox, and blinker relay. The red cable is a temporary ground strap for the battery, it has been replaced already.

Offline Pete12

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #202 on: Jul 09, 2019, 08:22:42 »
Back guard looks perfect now, great job on that.

Offline goodoltup

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #203 on: Jul 10, 2019, 05:29:47 »
Thanks, Pete. To be honest the bolts are just nipped up so it's still kind of loose, every time I move the bike I grab the fender and move it into a new position. I think it will end up just like this, though. I would like to reduce the angle of the muffler slightly, so that it won't foul the passengers heels. Just bring it down a 5 or so.

Offline Popeye SXM

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #204 on: Jul 10, 2019, 21:46:44 »
I'm with Pete, that rear end is looking great as if it was all made that way. I also think a small drop in the muffler would improve looks and practicality. Impressive work, i'm looking forward to seeing it with tank and seat

Offline doc_rot

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #205 on: Jul 11, 2019, 11:26:47 »
when you first proposed this idea i was a bit skeptical but i have to say you are doing a great job, and its looking fantastic. cant wait to see it finished!

Offline canyoncarver

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #206 on: Jul 11, 2019, 11:32:39 »
Very cool!.   What tip sensor did you use?  I'm looking for one.  Thanks.

Offline goodoltup

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #207 on: Jul 12, 2019, 03:36:06 »
Hi Canyoncarver,
The entire wiring harness including all the switches, sensors, the display, relays, etc. come from the donor KTM 690 SM. That way I knew that it would essentially drop in. The tip sensor could have been deleted by putting some resistors inline, but I wanted to retain all of the modern safety features from the KTM, including the sidestand switch and tip sensor. I DID do away with the 'secondary air system' however. That was too bulky.

Offline goodoltup

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #208 on: Jul 12, 2019, 03:44:59 »
Hi doc_Rot,
Thank you! Were you skeptical about how it would look, how it would function, or whether it could be completed? I'm only curious, as I had of course had my doubts about all three! I had the idea to put a big liquid cooled single in a classic style frame over 10 years ago, and had a lot of time to think about it. 10 years of thinking about a project, I had a perfect vision of what it would look like. This is not it! I have had to make compromises, and I accept that, in order to make this happen. If I had unlimited money I would have had a custom frame made, used 18" wheels, custom swingarm, right side up forks, aluminium fenders, and classic round gauges. But, this has morphed into something different that I hadn't expected, and that is more of a blending of modern parts and aesthetic. I think that if I had actually enacted my original vision I would have ended up with something that was less bold and interesting. I am really closing in on finishing this, just a few more months I would expect.

Offline doc_rot

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Re: Project CB690 (KTM 690 engine in a CB550f frame)
« Reply #209 on: Jul 12, 2019, 11:28:30 »
i was mostly skeptical how the single would look in the frame