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Old 08-09-2011, 09:44 AM   #1
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3B EPA Engines

Just wondering what engines can I use in this class
I know that there is displacement rule and maximum of 115hp

But....

According to this site:

http://www.uimpowerboating.com/vsite...m-item,00.html

I can't use Evinrude 115 H.O.
Still many boats runs on them

What about Optimax 115 ??

Cheers,
Mike
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Old 08-09-2011, 10:55 AM   #2
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The 115HO is ok, and comes under the homologation for Bombardier 115/130 E-tec. If the number of 90hp Yamaha's competing drop below a certain percentage, then they will be phased out (So only about 1 year left on them). Not sure on the opti, but heard rumours it was eligible.
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Old 08-09-2011, 12:43 PM   #3
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But according to UIM site Bombardier 115/130 goes to 3C class
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Old 08-09-2011, 04:14 PM   #4
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Would be an interesting and possibly embarrasing question for UIM !! I have been asking same question for some time but seems we have very little technical knowledge within the UIM.
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Old 20-09-2011, 11:25 PM   #5
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well i still cant understand how a 115ho is same class as 90hp,i cant get near 1 off them in speed wize,and if 90 has to go next year then i cant race no more as carnt aford a 5k engine
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Old 21-09-2011, 02:27 AM   #6
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well i still cant understand how a 115ho is same class as 90hp,i cant get near 1 off them in speed wize,and if 90 has to go next year then i cant race no more as carnt aford a 5k engine
Had kind of thought it a strange choice of engine alright, as it doesnt fit the cc requirements for the class. Maybe the EPA engines are purposely allowed higher HP to entice people into green engines, ie. you have to go this way to stay competitive.

theres also boat weight, setup and experience to factor in.

You should still be able to race the 90 nationally next year anyway, i think!
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Old 21-09-2011, 10:07 AM   #7
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There is nothing in the pipeline (at least in Uk) to discontinue the Yam 90 in B Class.
I have tried to get to the bottom of the 115 theory for some time but no one really has an answer. From the Uk perspective it would make sense (if we could attract enough teams) to run as "A" & "B" classes. as we already do in OCR.
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Old 21-09-2011, 03:17 PM   #8
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well i still cant understand how a 115ho is same class as 90hp,i cant get near 1 off them in speed wize,and if 90 has to go next year then i cant race no more as carnt aford a 5k engine
5K? New one cost 11600 EUR in Poland
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Old 21-09-2011, 06:31 PM   #9
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You won't be getting a new one for 5 k
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Old 21-09-2011, 06:41 PM   #10
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had one used etec and I don't know if I would buy another one.

pro-rig remember? you where trying to help me out with my H.O. and I get rid off that junk :-( trade it with dealer I bought it from for four stroke.
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Old 21-09-2011, 09:14 PM   #11
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your right not 5k 4800 including vat throw sponsor,no worenty maraina opti 115
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