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Author Topic: Xs750 896cc engine rebuild and chop!  (Read 42759 times)

Online datadavid

  • Posts: 1066
Xs750 896cc engine rebuild and chop!
« on: Oct 27, 2014, 02:34:59 »
Hello from Gothenburg Sweden guys! Been spending time with a chicken yellow, beat and ugly old xs this last year, making it run(reliably) and such.
Here it is, but thats not what i'm here for..
Along with the bike came a rolling frame and a couple of blown engines, one was bored out to some 1000cc's! Every engine but one showed signs of catastrophic engine failure. Oh, the sounds it must have made :D
Looks like typical oil starvation/overheating so i will try avoiding that...
Will build the engine with 896cc pistons, deep sump, oil cooler, daytona 675 carbs, sachse or newtronics optical ignition, ported head with bigger valves is also planned.
As for styling i want it low on the ground, apehangers and high sissy bar.
Thinking about flake or metal finish.

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #1 on: Oct 29, 2014, 17:22:46 »
Mocked up a sissy today with plastic piping!

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #2 on: Nov 03, 2014, 02:30:57 »
And yesterday i bent up some tubes with the old hydraulic pipebender, took a few cups of tea, some torching to correct angles and a few curse words to get it looking decent. Its a bit harder making sissys from tube rather than solid material!

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #3 on: Nov 05, 2014, 02:38:45 »
Ordered black shocks.. got bright red ones! Well i guess they will work with the otherwise freaky and tasteless color scheme i got planned..

Offline warpt_99

  • Posts: 144
Re: Xs750 896cc engine rebuild and chop!
« Reply #4 on: Nov 05, 2014, 14:28:08 »
The sissy bar is nice and high! Did you bend the steel yourself?

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #5 on: Nov 08, 2014, 11:27:26 »
Yea we have an old hydraulic machine in the garage, was kind of tricky getting the radius and angles right..! And the bends arent perfectly smooth, but will be covered by a long seat(all the way up the sissy), so it wont be noticed..

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #6 on: Nov 09, 2014, 09:23:12 »
Welded up the sissy to the frame last night, also got a few brake rotors drilled out. Lost half a kilo!
Time to start mocking up an engine i think.. getting a parts list together so i can send off a complete head, block and cylinder to the machinist.. looking forward to discussing what needs to be done mechanically with him!
« Last Edit: Nov 09, 2014, 09:25:44 by datadavid »

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #7 on: Nov 09, 2014, 14:05:12 »
Started hammering out a seatpan, distasteful lovely old king and queen style :)




Going to need about 1,5-2" space for damper travel, so obviously passenger seat will have to be raised a bit.  All good!
« Last Edit: Nov 09, 2014, 14:07:35 by datadavid »

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #8 on: Nov 19, 2014, 13:25:22 »
Not much happening here at present, except in the old mind.. thinking about hammering out and soldering up a long,  lean sportster-inspired tank out of bronze plates.. now where to source 0,40" thick bronze plate... hmmm....




Still mustering up the guts to call the machinist and get a rough estimate of the cost for engine works...

Online datadavid

  • Posts: 1066
Re: Xs750 896cc engine rebuild and chop!
« Reply #9 on: Nov 24, 2014, 03:34:45 »
Got a quote from a bronze bearing specialist, 300$ for a 2mX30cm piece of spring quality bronze plate.. this better be good.. :)