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 HP difference between 06-07 ?

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broknbonz

broknbonz


Number of posts : 218
Registration date : 2008-03-03
Age : 54
Location : Murfreesboro Tn.

HP difference between 06-07 ? Empty
PostSubject: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyMon Mar 31, 2008 7:47 pm

heard a rumor that there's quite a difference in HP between the 06 & older and the 07 660 models, anyone know if this is true ? if so what did yamaha do to make more power in the newer models ? thanks
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Anonymous



HP difference between 06-07 ? Empty
PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyMon Mar 31, 2008 7:54 pm

Never heard that myself.
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wvyankee2
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wvyankee2


Number of posts : 10318
Registration date : 2008-01-22
Age : 63
Location : Cabell Co., West Virginia

HP difference between 06-07 ? Empty
PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyMon Mar 31, 2008 9:10 pm

I never heard that either. as far as I know the 05-07 660's are the same. The 04 660 is different, but all I know is that it had a 150 Mikuni main jet, where the 05-07 have a 145 Mikuni main jet. They may have just reduced the jet size only from 04 to 05 to lean it out for emission regulations.
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shawnley1222
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shawnley1222


Number of posts : 2745
Registration date : 2008-01-22
Age : 37
Location : Brandon, FL

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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyMon Mar 31, 2008 9:50 pm

also never heard anything like this...where you hear it from?
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broknbonz

broknbonz


Number of posts : 218
Registration date : 2008-03-03
Age : 54
Location : Murfreesboro Tn.

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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyMon Mar 31, 2008 9:57 pm

shawnley1222 wrote:
also never heard anything like this...where you hear it from?

heard some kid at a recent ride talkin about it, then my buddy with an 06 said he had heard the same thing but not sure where he read it, scratch possibly on Rf.net
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rcmass

rcmass


Number of posts : 999
Registration date : 2008-02-01
Age : 46
Location : Catawba, NC

HP difference between 06-07 ? Empty
PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyTue Apr 01, 2008 7:37 am

you know what this means....we need a dyno!



there isnt one here in nc to get a rhino onto....you would think, but havent found one....


I would love to see how things really do and with cetain mods - and more importantly I need to DIAL MY JETS to 100% - not just plug looking :evil:
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wvyankee2
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wvyankee2


Number of posts : 10318
Registration date : 2008-01-22
Age : 63
Location : Cabell Co., West Virginia

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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptyTue Apr 01, 2008 9:21 am

rcmass wrote:
you know what this means....we need a dyno!



there isnt one here in nc to get a rhino onto....you would think, but havent found one....


I would love to see how things really do and with cetain mods - and more importantly I need to DIAL MY JETS to 100% - not just plug looking :evil:

You can do that with a good Fuel/air guage. 14.7 to 1 ratio is perfect.
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Anonymous



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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 12:14 am

wvyankee2 wrote:
rcmass wrote:
you know what this means....we need a dyno!



there isnt one here in nc to get a rhino onto....you would think, but havent found one....


I would love to see how things really do and with cetain mods - and more importantly I need to DIAL MY JETS to 100% - not just plug looking :evil:

You can do that with a good Fuel/air guage. 14.7 to 1 ratio is perfect.

Yank, how in the world did you know that??
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wvyankee2
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wvyankee2


Number of posts : 10318
Registration date : 2008-01-22
Age : 63
Location : Cabell Co., West Virginia

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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 4:53 am

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Anonymous



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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 8:14 am

I use to work for Yamaha full time now only part time and There is NO Power difference. ALL the 660's have the same HP. whether it's a Sport or Special Edition. They have 40.9 HP to be exact so moreless 41HP. This is not true Rear wheel HP. That will be lower. This is the HP right off the Manufacture Title.
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Anonymous



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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 12:10 pm

I believe it Yank!! :D



Boot... what's the difference between a 660 and 700?
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Anonymous



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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 8:54 pm

Wheels wrote:
I believe it Yank!! :D



Boot... what's the difference between a 660 and 700?

700 Has 47 HP
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Foxfire
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Foxfire


Number of posts : 6060
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Age : 72
Location : Bristol, Wisconsin

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PostSubject: Re: HP difference between 06-07 ?   HP difference between 06-07 ? EmptySat Apr 26, 2008 10:26 pm

Have any of you guys read any of the tech sections that are posted on www.ridesidebyside.com. Todd has a dyno and does a lot of testing.....just a thought.

Foxfire
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