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Author Topic: 78 xs650 ~ To the Ton we go.  (Read 6622 times)

Offline teazer

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Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #10 on: Mar 07, 2013, 00:23:55 »
Which brings me to your comment "making the bike less functional than stock", you seem to know what your talking about feel free to educate the young.

The point I was trying to make is that the combination of those tires and lowered bike will make it handle less well that stock.  Tires are likely to be a factor but at moderate loads you will probably be OK. I don't race on the street so I don't fit race tires on our street bikes, but I like to have a margin of safety for teh times that I find myself going faster than I intended or something happens that I have to avoid.

So I tend to fit good street rubber like say Avon Roadriders or Bridgestone BT45s.  I doubt I'll ever need the extra grip but it's nice to know that if I have to swerve or brake hard, that they will probably save my sorry ass. No guarantees in life, but cheap insurance.

Lowering a bike is always a gamble until you measure and try it.  Fortunately most old bikes had pretty conservative geometry so there's some scope to adjust that - within reason of course.

I like that modern alternator set up.  Where did that one come from?

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #11 on: Mar 07, 2013, 08:46:28 »
I probably should get some new tires but for now, its going to have to do.

The lowering was due to the 4 over forks that came with it.
At the time I didnt realize they were "over" until I started quizing a few people that were sure of there stock bikes.
Even then I had to average the answers together to confirm, guessing different pressure loadings.
It really was sitting high, like they did in the 70's chopper times.

The alternator is Hugh's Pma, 200watts, its going to be sweet considering I had the low rpm charging issue anyway one problem is now eliminated.
I started to "patch" the new alternator in and I had a few connectors crumble in my hands so, its getting new wire before spring now too.

Heres the draft of the wiring diagram seems like it should work, everything switched, multiple switches to stump would be theives etc...
(two guru's from the xs650 forums helped me figure it out.)

Ton Up Indy!
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I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #12 on: May 07, 2013, 15:12:07 »
still not done by any means but man is hughs pma and pamco awesome.
was nice to get out in ride her.
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #13 on: Aug 21, 2013, 14:23:40 »
I got it to the ton the other day and it took everything it had. haha
Gets there pretty quick really for a 78, was keeping up with the stock 750 guys for a while.

Teazer, thanks for warning me about the tires.
I had know idea had bad they really were until Im pushing 50 in a tight turn on wetish pavement and the damn thing started doin wiggle that then cause my butthole to pucker. Scary. Ill get those replaced soon.

The seat is pretty uncomfortable.
The clip ons/rear sets are uncomfortable, I hear minor adjustments change all that, but Im 6-2.
Thinking super bike bars, stock forks and going back to mids but eh. I dunno.
Gp shifting is actually not bad.
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #14 on: Sep 09, 2013, 13:41:27 »
Well Im pretty happy with the bike so far.
Of course I cant just leave well enough alone.

Things Im changing;
 
The seat, more to come, the old interceptor seat strapped on with ss hose clamps allowed it to move to much, grounding out on switches and blowing a fuse. So its getting a true solo race seat, hopefully bent out of 16 gauge. I scored an old fiberglass cafe seat off a rd400 but its to short in width and length. Might have a buddy make a mold as he works out of a foundry here in town and possibly lenghten it to fit properly. I like the little solos, but I dont want to hack the frame I guess well see.

The tires, these hard compound tires suck in the rain. Too much wiggle in the rear coming out of the turns. Suggestions on what rubber you prefer?

The Exhaust, I need to get it finished Ive just shoved the yz450 muffler into the collector.
 
Contemplating changing the stock wheel setup 19/16 to a 19/19 or a 18/18.
If I went with the 19 rear, Ill need to replace the bearings and upgrade the shocks.
 
If I go with the 18/18, Ill need to replace all the bearings, make some spacers (RD400). Then Im back down to single disc up front, unless I get the mag reworked to accept dual disc (xs400).

Depending on what I do with the rims, will determine what to do about the rotors. Theyre really heavy and Im not even using all of the braking surface.

Feel free to lash me!
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #15 on: Sep 09, 2013, 13:42:27 »
18/18 kinda dig the smaller lower profile.
Ton Up Indy!
Check out our latest event for May 30th, 2015
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I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #16 on: Sep 09, 2013, 13:42:59 »
19/19 going to need some tougher shocks in the rear for sure.
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #17 on: Sep 23, 2013, 12:49:04 »
honda magna tank, fits pretty nice with no major modification yet.


Ton Up Indy!
Check out our latest event for May 30th, 2015
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I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650 cafe' ~ To the Ton we go.
« Reply #18 on: Nov 01, 2013, 12:46:41 »
Just put some newer used triumph scrambler shocks on there that around about 1.5" or so longer forcing me to use a 1/2 osb scrap to prop it up on the centerstand. Then I spent the night hanging with a friend drinking high life and talking bikes, life, etc..

Hes got a 80's xs650 that well be swapping the motor on here shortly, its quite a the franken bike and has 75 wheels on it. He educated me about the swap from mags to wires. Guess ill be selling the mags and swapping for these high shouldered alu rims. Still get to keep my dual disc up front as long as I reuse the late model rotors. Should just be bolt on and go. Im stoked. 19/18 yeah!

The donor rims a 75 thats locked up with no title.
Im only concern is not ill have disc up front with a drum in the rear..
Thought I seen something on here about a drum to disc conversion.
Heres to more research.
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)

Offline taggat

  • Posts: 634
Re: 78 xs650' ~ To the Ton we go.
« Reply #19 on: Nov 04, 2013, 10:28:31 »
Finally got some work done on my own bike.

Newer Triumph Scrambler shocks and look at these nice new knock off dunstalls. The fit the chopper header pipes I got awhile back perfectly. And I got the old 4 over forks sold and some new to me stock forks put on. The bikes always look so sad in this stage. Going back to the stock peg position and tracker bars now that Ive got risers.
« Last Edit: Nov 04, 2013, 10:30:23 by taggat »
Ton Up Indy!
Check out our latest event for May 30th, 2015
http://www.rockersreunionindy.com/

I like my woman like my motorcycles, fast, dirty and cheap!

14 fz09, 12 t100, 96 trophy, 86 gpz900, 82 cb900f, 81 cb750f(hr)