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Engine Mounting Plate Misalignment

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nigel bessant
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Engine Mounting Plate Misalignment

#1 PostAuthor: nigel bessant » Sun Jan 06, 2013 8:42 pm

Put the engine from from LTD z1000 into a z1000 shaft frame and all the mounting bolts line up except the triangular plate. It passes through the fixed bracket on the left hand down tube, but as in the pics, not the right down tube.
The down tube is not bent as I put a straight edge along it.
All of the engine mounting bolts and plates are from the LTD
Any thoughts?
Make a new bracket?

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cheers
Nigel

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z1000puddin
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#2 PostAuthor: z1000puddin » Sun Jan 06, 2013 8:50 pm

make a new bracket :D
One that fits :D :D
Zed til Dead

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Z1parR
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#3 PostAuthor: Z1parR » Sun Jan 06, 2013 8:55 pm

What hole centres are needed A - B - C
A being top B engine C lower .
0172 . Geoff Parr

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Gus
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#4 PostAuthor: Gus » Sun Jan 06, 2013 9:10 pm

The bracket on an ST is only assigned to ST's and is different to a LTD one..

What if you use a shaft plate?
"Set the GRINDER on it"

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Mark Tiller
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#5 PostAuthor: Mark Tiller » Sun Jan 06, 2013 9:30 pm

I would line up the front first and then see where was out

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#6 PostAuthor: Z1parR » Sun Jan 06, 2013 9:45 pm

Z1parR wrote:What hole centres are needed A - B - C
A being top B engine C lower .


I have a plate that is 72mm between these points , is that the one that's needed Nigel :)
0172 . Geoff Parr

nigel bessant
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#7 PostAuthor: nigel bessant » Sun Jan 06, 2013 10:18 pm

Z1parR wrote:
Z1parR wrote:What hole centres are needed A - B - C
A being top B engine C lower .


I have a plate that is 72mm between these points , is that the one that's needed Nigel :)


Cheers for that I'll measure it and let you know.

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#8 PostAuthor: jimmock » Sun Jan 06, 2013 10:40 pm

nigel bessant wrote:
Z1parR wrote:
Z1parR wrote:What hole centres are needed A - B - C
A being top B engine C lower .


I have a plate that is 72mm between these points , is that the one that's needed Nigel :)


Cheers for that I'll measure it and let you know.


What about the plate Nigel??
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#9 PostAuthor: garyd » Sun Jan 06, 2013 11:20 pm

As Mark said...it might be the other mounts that are wrong.

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#10 PostAuthor: zed1015 » Mon Jan 07, 2013 12:26 am

CROWBAR ? :shock: :lol:

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#11 PostAuthor: garyd » Mon Jan 07, 2013 5:50 pm

Have you tightened up all the other bolts?

if so..loosen them all off so the engine can be jiggled.

They weren't made to very good tolerences in those days and 30 years of a flexi frame...( I know I've held onto the bars like a rag doll on more than one occasion) may well have taken it's toll.

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#12 PostAuthor: nigel bessant » Mon Jan 07, 2013 7:35 pm

Mark Tiller wrote:I would line up the front first and then see where was out


Been out tonight and tried that Mark, can't get the engine forward enough for the bolt to pass through the plate as the mounting underneath the clutch cover fouls the engine casing.
The bottom rear mounting and the two side mountings align perfectly and are a piece of cake to bolt up.

Cheers
Nigel

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#13 PostAuthor: nigel bessant » Mon Jan 07, 2013 7:39 pm

Z1parR wrote:
Z1parR wrote:What hole centres are needed A - B - C
A being top B engine C lower .


I have a plate that is 72mm between these points , is that the one that's needed Nigel :)


Measured it and its 56mm centres on the bolts on the down tube and 60mm centres down tube bolts to engine bolt ie A to B.

Cheers
Nigel

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#14 PostAuthor: nigel bessant » Mon Jan 07, 2013 7:41 pm

garyd wrote:Have you tightened up all the other bolts?

if so..loosen them all off so the engine can be jiggled.

They weren't made to very good tolerences in those days and 30 years of a flexi frame...( I know I've held onto the bars like a rag doll on more than one occasion) may well have taken it's toll.


None were tightened but could still not get engine forward because of the clutch casing/ mounting plate.

Cheers
Nigel

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#15 PostAuthor: Z1parR » Mon Jan 07, 2013 10:03 pm

I've a bracket 58mm downtube centres and 62mm downtube to engine centre .
0172 . Geoff Parr


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