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'72 Commando Center Stand Return Spring ? #784899 09/21/19 12:12 am
Joined: Aug 2001
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Jon W. Whitley Offline OP
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Okay,

I have the center stand fitted to the frame and I have located the hole in the center stand for the spring but where, specifically, does it attach to on the frame ? I also assume that the short end attaches to the stand and the longer end attaches to the frame attachment point ?


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"

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Re: '72 Commando Center Stand Return Spring ? [Re: Jon W. Whitley] #784907 09/21/19 1:30 am
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B
bill50cal Offline
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it does NOT attach to the frame. it will attach to the transmission cradle on the primary drive side near the bottom gearbox bolt. if it is the early type center stand they are junk. you will want the later 850 type and than weld on a washer to double the thickness where the spring attaches into the cross bar. the spring has a wider 90 degree section with a short 180 leg . that end hooks into the cradle.


windy
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Re: '72 Commando Center Stand Return Spring ? [Re: bill50cal] #785201 09/23/19 2:46 pm
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Jon W. Whitley Offline OP
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Originally Posted by bill50cal
it does NOT attach to the frame. it will attach to the transmission cradle on the primary drive side near the bottom gearbox bolt. if it is the early type center stand they are junk. you will want the later 850 type and than weld on a washer to double the thickness where the spring attaches into the cross bar. the spring has a wider 90 degree section with a short 180 leg . that end hooks into the cradle.


Thanks for that info.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"

Re: '72 Commando Center Stand Return Spring ? [Re: Jon W. Whitley] #785827 09/29/19 10:49 pm
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Jon W. Whitley Offline OP
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Can you guys confirm that the spring is installed correctly ? Not much to grab onto in the hole/slot in the center stand crossbar and it would be perfect if the top of the spring didn't slightly rub on the center stand fixing bolt nut.

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"

Re: '72 Commando Center Stand Return Spring ? [Re: Jon W. Whitley] #785830 09/29/19 11:07 pm
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htown Online Content
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I'd say that is about as good as it gets. Most of mine scrape on the bolt. I had one come off once at about 60 mph and the stand dragging. Thought I'd blown the bottom end.


1978 Bonneville T140E
1974 Trident
1970 BSA Thunderbolt
1971 Norton Commando
1972 Norton Commando
1973 Norton Commando
1974 Norton Commando
2018 Kawasaki Z900RS


Everything will be alright in the end. If its not alright, its not the end.
Re: '72 Commando Center Stand Return Spring ? [Re: htown] #785833 09/29/19 11:19 pm
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Jon W. Whitley Offline OP
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Originally Posted by htown
I'd say that is about as good as it gets. Most of mine scrape on the bolt.


Great, thanks for confirming. Hopefully my spring doesn't come off like yours did !


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"

Re: '72 Commando Center Stand Return Spring ? [Re: Jon W. Whitley] #785862 09/30/19 8:18 am
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L.A.B. Online Content
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Originally Posted by Jon W. Whitley
it would be perfect if the top of the spring didn't slightly rub on the center stand fixing bolt nut.


I suggest you try it with the bolt (head) on the inside (maybe with a thinner washer?) and nut on the outside.
[Linked Image from i.postimg.cc]

Although the up to 1972 parts book diagrams show the nuts on the inside and bolts on the outside the later parts books show bolts on the inside.

https://andover-norton.co.uk/en/shop-drawing/204/engine-mountings-head-steady-centre-stand

Edit: The parts books only list two '000009 Centre stand washers' and drawings don't show washers on the inside.
https://andover-norton.co.uk/en/shop-drawing/28/engine-mountings-head-steady-centre-stand

Last edited by L.A.B.; 09/30/19 10:55 am.
Re: '72 Commando Center Stand Return Spring ? [Re: L.A.B.] #785907 09/30/19 7:36 pm
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Jon W. Whitley Offline OP
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Originally Posted by L.A.B.


I suggest you try it with the bolt (head) on the inside (maybe with a thinner washer?) and nut on the outside.
[Linked Image from i.postimg.cc]

Although the up to 1972 parts book diagrams show the nuts on the inside and bolts on the outside the later parts books show bolts on the inside.

https://andover-norton.co.uk/en/shop-drawing/204/engine-mountings-head-steady-centre-stand

Edit: The parts books only list two '000009 Centre stand washers' and drawings don't show washers on the inside.
https://andover-norton.co.uk/en/shop-drawing/28/engine-mountings-head-steady-centre-stand



I used the kit from Andover Norton, omitting the two center stand pivot bushes, number 55 in the drawing. I will try reversing the nuts and bolts first to see how that works out.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"

Re: '72 Commando Center Stand Return Spring ? [Re: Jon W. Whitley] #785927 09/30/19 10:00 pm
Joined: Mar 2006
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L.A.B. Online Content
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Originally Posted by Jon W. Whitley
I used the kit from Andover Norton, omitting the two center stand pivot bushes, number 55 in the drawing. I will try reversing the nuts and bolts first to see how that works out.


Your photos appear to show a gap between the stand and the cradle on the LH side? Could the end of the spring be trapped between the stand pivot and cradle perhaps, or the bolt/nut just not fully tightened?

Re: '72 Commando Center Stand Return Spring ? [Re: L.A.B.] #786040 10/02/19 12:16 am
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Jon W. Whitley Offline OP
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Originally Posted by L.A.B.
Originally Posted by Jon W. Whitley
I used the kit from Andover Norton, omitting the two center stand pivot bushes, number 55 in the drawing. I will try reversing the nuts and bolts first to see how that works out.


Your photos appear to show a gap between the stand and the cradle on the LH side? Could the end of the spring be trapped between the stand pivot and cradle perhaps, or the bolt/nut just not fully tightened?



The nuts are fully tightened. It's the thickness/width of the spacers that is causing the small gap. Item number 52 in the drawing for the 1972 models.

https://andover-norton.co.uk/en/shop-drawing/28/engine-mountings-head-steady-centre-stand

https://andover-norton.co.uk/en/shop-details/15721/c-stand-spacer-625-x-453-x-300-


And supplied in this kit, which is the one I purchased.

https://andover-norton.co.uk/en/shop-details/17024/centre-stand-mounting-kit-commando-1971-onwards-


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"


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