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Author Topic: 1977 XS750 - Project Maggie Mae  (Read 27294 times)

Offline BigBSBusa

  • Posts: 1222
1977 XS750 - Project Maggie Mae
« on: Oct 27, 2008, 15:12:23 »
Well, had previously posted in my introduction that I was looking at getting an '80 CB750 (a couple actually) for my first project.  Listened to the words of those that posted and then found a '77 750 Triple that I picked up this weekend.  The bike runs (a big bonus  ;D) and came complete.  Included in the sale were several boxes of parts and a parts bike.  Looking forward to getting started on this one.  So much so, in fact, that I started the teardown as soon as I got home.  Here's a few pics.  First is after getting taken off the trailer and the second is when I had to stop gettin' her tore down.
« Last Edit: Oct 27, 2008, 15:41:30 by BigBSBusa »
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable

Offline Swagger

  • DTT SUPPORTER
  • *
  • Posts: 5513
  • Putting boot to ass since 1967!
Re: 1977 XS750 - Project Maggie Mae
« Reply #1 on: Oct 27, 2008, 16:22:40 »
I love my 850, great bike to start with!

.....there's no way that little rice cooker is going 100m/h when the work need to get up to those speeds includes a big fuck off fairing shaped like a giant cock. ~Staffy

Weiner tetanus is nothing to scoff at. ~JustinLonghorn

Offline BigBSBusa

  • Posts: 1222
Re: 1977 XS750 - Project Maggie Mae
« Reply #2 on: Oct 27, 2008, 17:26:44 »
I love my 850, great bike to start with!



Thanks.  I know it will be fun and frustrating all at the same time.
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable

Offline cafedallas

  • Posts: 30
Re: 1977 XS750 - Project Maggie Mae
« Reply #3 on: Oct 27, 2008, 23:23:45 »
nice pickup...gonna caffenate it?  I was going to with my 79f but it was too sweet to hack...been a great touring roadster...im in the process of  caffenating a 78 kz750b twin and a 79 gs750....the triple standard is just too cool
1988 BMW K100rs
1982 GS1100e
1978 GS1000e
1982 GS750t
1982 GS550m Katana
1974 KZ400 cafe project
1975 CB550K cafe project
1982 SR250 cafe project
1975 MGB roadster (1/4 cage)

Offline dcmspikes

  • Posts: 1001
Re: 1977 XS750 - Project Maggie Mae
« Reply #4 on: Oct 27, 2008, 23:30:44 »
nice find.  i like those rear sections.  just lower the bars and be done.   no matter what its a nice bike.

Offline BigBSBusa

  • Posts: 1222
Re: 1977 XS750 - Project Maggie Mae
« Reply #5 on: Oct 27, 2008, 23:35:25 »
nice pickup...gonna caffenate it?  I was going to with my 79f but it was too sweet to hack...been a great touring roadster...im in the process of  caffenating a 78 kz750b twin and a 79 gs750....the triple standard is just too cool

Good lookin' Triple that you've got there.  I will be giving her the cafe treatment, but since I have the essentially complete parts bike I may keep that one as a tourer.  I actually wanted either the CB750 or GS750 and couldn't find one I was comfortable with.
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable

Offline BigBSBusa

  • Posts: 1222
Re: 1977 XS750 - Project Maggie Mae
« Reply #6 on: Oct 27, 2008, 23:36:21 »
nice find.  i like those rear sections.  just lower the bars and be done.   no matter what its a nice bike.

Thanks.  Since I have 2, one may stay standard.
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable

Offline BigBSBusa

  • Posts: 1222
Re: 1977 XS750 - Project Maggie Mae
« Reply #7 on: Nov 04, 2008, 10:36:14 »
Finished teardown over the weekend and prepping the frame, swingarm, centerstand, sidestand and a few other parts for paint.  Here's how she sits today.
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable

Offline Swagger

  • DTT SUPPORTER
  • *
  • Posts: 5513
  • Putting boot to ass since 1967!
Re: 1977 XS750 - Project Maggie Mae
« Reply #8 on: Nov 04, 2008, 13:42:12 »
I LOVE the Yamaha triples. I have an running 850 project, a couple good engines and a 7502D parts bike. In fact, this 850 was my first "big bike". Great motor, when in tune will pull like a freight train. head to head, the 750 will leave a cb750 in it's dust and make a good race for the GS. The 850 is just better all around.

There's a fix for the 2nd gear pop-out that can be found at the yamaha triple owners group.
Hinkley Triumph 750/900cc triple carbs drop right on and are MILES better than the stock carbs.
The header from the same bike can be made to fit with a small amount of welding, WAY better than the stock pipes, nevr mind the muffler(s) you may choose.
One of the best initial mods you can do for your bike is to swap to a 80-82 electronic ignition, it's a drop in and the bike will be stronger throughout the RPM range but will start and roll on much better.
You may or may not have Koni adjustable shocks on the back. It seems to be a little random as to which ones came with them. If you do they are worth sending out to be rebuilt, add a bit stiffer spring and you're dialed. The forks are fine for touring around, but you'll want to upgrade to better units if you plan to ride in any sporting manner.
Delta Cams in Washington can regrind your stock cams for more power by making the base circle smaller. Works great for these engines, the heads also benefit from a small amount of port clean up, especially on the small radius and around the valve stems.
You can rock 100hp+ with a bit of work and a set of 850 pistons and cylinder.

good pick!
.....there's no way that little rice cooker is going 100m/h when the work need to get up to those speeds includes a big fuck off fairing shaped like a giant cock. ~Staffy

Weiner tetanus is nothing to scoff at. ~JustinLonghorn

Offline BigBSBusa

  • Posts: 1222
Re: 1977 XS750 - Project Maggie Mae
« Reply #9 on: Nov 04, 2008, 14:44:11 »
I LOVE the Yamaha triples. I have an running 850 project, a couple good engines and a 7502D parts bike. In fact, this 850 was my first "big bike". Great motor, when in tune will pull like a freight train. head to head, the 750 will leave a cb750 in it's dust and make a good race for the GS. The 850 is just better all around.

There's a fix for the 2nd gear pop-out that can be found at the yamaha triple owners group.
Hinkley Triumph 750/900cc triple carbs drop right on and are MILES better than the stock carbs.
The header from the same bike can be made to fit with a small amount of welding, WAY better than the stock pipes, nevr mind the muffler(s) you may choose.
One of the best initial mods you can do for your bike is to swap to a 80-82 electronic ignition, it's a drop in and the bike will be stronger throughout the RPM range but will start and roll on much better.
You may or may not have Koni adjustable shocks on the back. It seems to be a little random as to which ones came with them. If you do they are worth sending out to be rebuilt, add a bit stiffer spring and you're dialed. The forks are fine for touring around, but you'll want to upgrade to better units if you plan to ride in any sporting manner.
Delta Cams in Washington can regrind your stock cams for more power by making the base circle smaller. Works great for these engines, the heads also benefit from a small amount of port clean up, especially on the small radius and around the valve stems.
You can rock 100hp+ with a bit of work and a set of 850 pistons and cylinder.

good pick!

Thanks for the tips.  I will definitely check on the Triumph carbs and newer electronic ignition.  May or may not do much with the power since I can jump on the Busa when I really want to go.  Have already gotten a lot of good info from the Yamaha Triples site, but I appreciate you pointing me in that direction.  What do you have planned for the 850?
BigBS

1974 Honda CB550
1977 Yamaha XS750 - Project Maggie Mae
1994 Kawasaki Ninja ZX11 - Project Raven
1999 Suzuki TL1000R - Project Sable