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PostPosted: Wed Feb 14, 2018 11:49 am 
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Moto GP
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Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3194
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
This is for the GT550 cafe build.

I have the clutch cover off and need to disassemble the points cam assembly.
Didn’t find any guidance in the shop manual. What’s the best way to do this?

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BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


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PostPosted: Wed Feb 14, 2018 2:23 pm 
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World Superbike
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Joined: Thu Feb 16, 2012 11:50 am
Posts: 2122
Location: The Republic of South Yorkshire
Country: England
Bikes owned: GT550s GT750 GSX1400 and lots of spares
http://www.alpha-sports.com/suzuki_parts.htm" onclick="window.open(this.href);return false;

Look at year = 1975 (M)
Contact Breaker - Nippon Denso (doesn't matter if you have the other, this shows more detail).
Don't lose item 29 - pin!!!
It locates the 'propeller' and points cam.


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PostPosted: Wed Feb 14, 2018 7:26 pm 
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Moto GP
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Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3194
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
How do I stop the shaft from turning when I remove the cam nut?

_________________
BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


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 Profile  
 
PostPosted: Thu Feb 15, 2018 3:21 am 
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World Superbike
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Joined: Thu Feb 16, 2012 11:50 am
Posts: 2122
Location: The Republic of South Yorkshire
Country: England
Bikes owned: GT550s GT750 GSX1400 and lots of spares
Wrap the inner end in a cloth and hold it with pipe grips, or just put the cover back on the engine and line up the cutaway. You won't have to hold it then.


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PostPosted: Thu Feb 15, 2018 5:08 am 
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Moto GP
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Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3194
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
Thanks.

The crank is getting rebuilt & I need to get the cover polished + clear coated. So I’ll give the other method a try.

_________________
BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


Top
 Profile  
 
PostPosted: Thu Feb 15, 2018 9:46 am 
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Moto GP
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Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3194
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
Turned out to be easy with a tool that I already had.
Used an adjustable hook spanner, a Proto C472, that looks like this:
Image

Now that I have the cam drive out,
(1) how do I get the tach drive out, &
(2) how do I get the bearings out without ruining them?

_________________
BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


Top
 Profile  
 
PostPosted: Thu Feb 15, 2018 11:09 am 
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Moto GP
User avatar

Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3194
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
The tach drive was easy. Just attached the old tach cable and used it to pull the tach drive out.

Any tips on getting the bearings out without ruining them?

_________________
BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


Top
 Profile  
 
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