Pro Porting Xmas Tree For SX150 3/4th Gear Fix

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soulsurfer
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Fri May 18, 2012 5:54 pm

I just read on p106 in Scootering that came today that Harry Barlow has a new gear cluster available to make a SX150 gearbox more useable on a tuned motor using a GP200 4th gear. Has anyone used one to give any feedback and a price for it?
Last edited by soulsurfer on Tue May 22, 2012 5:58 pm, edited 1 time in total.
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soosh
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Fri May 18, 2012 6:34 pm

No but im sure its a sensible price,cant remember what he said but it was very reasonable.

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soulsurfer
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Tue May 22, 2012 5:58 pm

soosh wrote:No but im sure its a sensible price,cant remember what he said but it was very reasonable.
Thanks.
I've not had a response to email yet, but does anyone know anything about this?
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Doom Patrol
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Tue May 22, 2012 9:11 pm

That's interesting news. How many of us have got SX150 gearboxes lying around we don't know what to do with? For the cost of a new tree it's probably better than buying a new gearbox. Somebody should ring him and ask the question.

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soulsurfer
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Wed May 23, 2012 7:17 pm

Heard the cluster is £150
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turbovan
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Wed May 23, 2012 8:07 pm

Harry Barlow New Pro Porting Xmas Tree Made from EN36 B .plus Has been cryogenic treated
This is the pro road version 11/14/16/18. Plus Race Version based on dave webster Xmas tree
Pic's to follow.
http://www.lambretta-images.com/archive ... earbox.JPG
Last edited by turbovan on Wed May 23, 2012 8:40 pm, edited 1 time in total.

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Avantone
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Wed May 23, 2012 8:16 pm

turbovan wrote:Harry Barlow New Pro Porting Xmas Tree Made from EN36 B .plus Has been cryogenic treated
This is the pro road version 11/14/16/18. Plus Race Version based on dave webster Xmas tree
Pic's to follow.
[IMG]http://i829
Any engineering types got a view on mixing metal grades between tree and loose (old) gears?
Tony

Download the (Original) Lambretta Gearbox Visualiser at http://www.avantone.wordpress.com

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Andy Pickering
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Wed May 23, 2012 8:51 pm

Avantone wrote:
turbovan wrote:Harry Barlow New Pro Porting Xmas Tree Made from EN36 B .plus Has been cryogenic treated
This is the pro road version 11/14/16/18. Plus Race Version based on dave webster Xmas tree
Pic's to follow.
[IMG]http://i829
Any engineering types got a view on mixing metal grades between tree and loose (old) gears?
Not a metal expert by any means but wouldnt the stronger grade metal chew the softer metal up ?? Weakest link and all that ?

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soulsurfer
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Wed May 23, 2012 8:54 pm

turbovan wrote:Harry Barlow New Pro Porting Xmas Tree Made from EN36 B .plus Has been cryogenic treated
This is the pro road version 11/14/16/18. Plus Race Version based on dave webster Xmas tree
Pic's to follow.
http://www.lambretta-images.com/archive ... earbox.JPG
Is that used with SX150 1,2,3 and GP200 4th? If so, ratios looks good on paper, nice long 1st and a close 2,3 and 4.
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warts
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Wed May 23, 2012 9:10 pm

Andy Pickering wrote:
Any engineering types got a view on mixing metal grades between tree and loose (old) gears?[/quote]

Not a metal expert by any means but wouldnt the stronger grade metal chew the softer metal up ?? Weakest link and all that ?

[/quote]
No.

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