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Old 07 May 2014, 15:39   #1
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Ribeye Yamaha Engine Mounting Plate

Hi guys.. after a bit of advice.

When the nasty criminals stole my Yamaha 150hp off the back of my Ribeye a couple of months ago, they damage the engine mounting plate.

I thought this was going to be fairly straightforward to obtain another one, but have hit a last minute issue where Ribeye have sent a damaged wrong size one and say they don't any others currently.

I am looking for the following information:

1. What would this plate be made of? Looks like some form of white plastic, but I'm not sure exactly what it is and whether its critical to get the "right" plastic?

2. Is it likely to be glued/stuck on? I'm thinking of taking off the damaged one and getting a local plastic manufacturing company to make an exact copy. I can only see four screws holding it on, but would also normally have the engine mounting bolts keeping it in place.

3. Would anyone have any ideas where I could get one at short notice?

Any information would be appreciated.
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Old 07 May 2014, 16:11   #2
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Here's a photo of the current plastic mounting plate:
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Old 07 May 2014, 16:36   #3
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Can't see the damage on the plastic plate.

Don't mean to state the obvious but could you not ask Tim at Ribeye (QC rep on shop floor) as he is very helpful and knowledgeable for engine plate advice?

Also speak to Tim reference Ribeyes new engine height and prop recommendations for the 650s and 150 Yammie set up. Last time I spoke to him they had done some more testing with Yamaha and are now recommending moving the engine height up a notch but then going down to an 18" pitch (reliance stainless steel) from the previous 19" SS that was recommended. Tim reckons it improves fuel performance, handling and too speed. Its definetly on my to do list at the end of the season

Good luck and hope you get sorted!
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Old 07 May 2014, 16:53   #4
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Quote:
Originally Posted by BrAinZ View Post
Here's a photo of the current plastic mounting plate:
That looks like natural HDPE (High Density PolyEthylene) its available in sheet form in loads of different thicknesses and can be cut and shaped reasonably easily and is tough stuff.
Try Direct Plastics or search fleabay.
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Old 07 May 2014, 17:04   #5
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Someone suggested getting a 3mm stainless steel plate cut instead of plastic.

Would there be any advantage or disadvantage to that?
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Old 07 May 2014, 17:19   #6
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Can't see anything that would not be covered with the engine bracket!
Just sand the burrs off the scratch!
You could try taking it off and turning it round?
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Old 07 May 2014, 17:36   #7
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There is quite a deep bit scrapped out where they twisted the engine to try and break the final bolt off that had the engine lock on.

Turning it round?..... Hmmm... Wonder if it's that simple?
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Old 07 May 2014, 18:04   #8
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Quote:
Originally Posted by BrAinZ View Post
There is quite a deep bit scrapped out where they twisted the engine to try and break the final bolt off that had the engine lock on.

Turning it round?..... Hmmm... Wonder if it's that simple?
No it's not just looked again and the off set means you will have to drill fresh holes
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Old 07 May 2014, 18:12   #9
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Large white chopping board, old plate as a template, you can cut with saw and plain the edges too
Sunnex Plastic Large 30x45cm Colour Coded Chopping Slicing Cutting Mat Board | eBay
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Old 08 May 2014, 07:40   #10
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Country: UK - England
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I've spoken to these people and they seem to know about the stuff so ordered some from them:
HDPE Sheet

Thanks for all the advice guys!
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