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TOPIC: Re:2009 RoadStar S Horsepower??? Forum Tools Post New Topic Show latest posts Rules

#457904 Breacher (User) Senior Boarder Posts: 265 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Im gonna have to agree with Erbman, mine dynoed at 70 hp, 100 ft lbs,of course that is with the stubbies, forcewinder and PC-V, didnt dyno prior to mods   Logged     aut viam inveniam aut faciam   The administrator has disabled public write access. #457953 Questcap (User) Platinum Boarder Posts: 4386 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Breacher... and yours looks to be a 1700.   Logged     Sig Pic deleted - larger than 450 pixels and 50 kb   The administrator has disabled public write access. #458047 azalearider (User) Fresh Boarder Posts: 16 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   I find it hard to believe that the road star has 70 or higher hp. I called yamaha and they wouldn't give me the hp number. Apparently this is the norm with most manufacturer - although it seems incredibly odd to me to not disclose tech specs.   Logged     The administrator has disabled public write access. #458083 Roadstar_Rob (User) Senior Boarder Posts: 299 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Here's a review of the 2010 Roadstar (which would also cover all Roadstars 2008 & up) from Top Speed.. They are listing 87.1 HP and 107.2 ft.lbs. Torque. They don't specify RW or crank. If accurate I would certainly assume rear wheel.. http://www.topspeed.com/motorcycles/motorcycle-reviews/star-motorcycles/2010-star-road-star-s-ar70772.html   Logged     2009 RoadStar   The administrator has disabled public write access. #458086 Questcap (User) Platinum Boarder Posts: 4386 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Try as I might, I couldn't find those specs on that site. Could you maybe get a little more specific as to where on there. Also, how could those numbers be so much stronger than what anyone else is posting? HP in the 80's and torque over 105? It just doesn't ring true. Others?   Logged     Sig Pic deleted - larger than 450 pixels and 50 kb   The administrator has disabled public write access. #458091 Roadstar_Rob (User) Senior Boarder Posts: 299 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   They are listed in a small summary box near the beginning of the article just under the series of pictures of the bike...   Logged     2009 RoadStar   The administrator has disabled public write access. #458096 Questcap (User) Platinum Boarder Posts: 4386 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Yup, sure enough, there they are... 87 hp and 107 torque. Certainly not factory specs, so must be there own dyno findings on a 2010 they tested. Just seems so high! Some of you fellas dynoed your bikes. You ever roll up numbers like those? Really makes NO sense. The numbers on Yamaha's own site don't even come close. '99-'03 1600s are 52 hp, 87 ft lbs. http://www.starmotorcycles.com/star/accessories/acscitem500/5/18/91/2330/2000/1/0/7/in1/itemdetail.aspx   Logged     Sig Pic deleted - larger than 450 pixels and 50 kb   The administrator has disabled public write access. #458099 Breacher (User) Senior Boarder Posts: 265 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Yes Questcap, mine is a 2008 FI 1700. Without getting into too much detail, you have to understand that dyno numbers are an inadequate way to compare bikes, unless of course they are run on the same dyno, same day, no significant differences. The main purpose of a dyno is to be able to run baselines and then see gains, or losses, made with modifications. The only reason I dynoed mine was to see how much more I could wring out of it with a custom tuned PC map as opposed to a download. For those who want to know, I was able to get 2 more hp and 2 more ft lbs with the custom map.   Logged     aut viam inveniam aut faciam   The administrator has disabled public write access. #458100 Questcap (User) Platinum Boarder Posts: 4386 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   '04 1700 hp is 65, and torque shows 97. http://www.starmotorcycles.com/star/accessories/acscitem500/5/18/91/2330/2000/1/0/7/in2/itemdetail.aspx   Logged     Sig Pic deleted - larger than 450 pixels and 50 kb   The administrator has disabled public write access. #458105 Questcap (User) Platinum Boarder Posts: 4386 Re:2009 RoadStar S Horsepower??? 1 Year, 3 Months ago   Breach, I understand all that, but you don't get differences as wide as that. There is NO comparison between the numbers being displayed on these different web pages.   Logged     Sig Pic deleted - larger than 450 pixels and 50 kb   The administrator has disabled public write access.

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