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#748593 ultrastar (Moderator) We Call Her Big Red (Secretariat) 110 Big Bore Moderator Posts: 9536 110 Big bore results 3 Years, 11 Months ago   Well I'm not as happy as I thought I would be told me the he told my the only way I was going to get 100 hp out of it is to go with cams but the torques up there   Logged     My Rides   The administrator has disabled public write access. #748598 davej (User) Platinum Boarder Posts: 18167 Re:110 Big bore results 3 Years, 11 Months ago   I like the Tq but the hp is lower than mine with stock pistons. Don't make sense   Logged     dave   The administrator has disabled public write access. #748600 ultrastar (Moderator) We Call Her Big Red (Secretariat) 110 Big Bore Moderator Posts: 9536 Re:110 Big bore results 3 Years, 11 Months ago   Doesn't make sense to me to buddy he said he's been doing to 12 years I don't know if he just don't know what he's doing or what   Logged     My Rides   The administrator has disabled public write access. #748603 Booster (User) Platinum Boarder Posts: 2870 Re:110 Big bore results 3 Years, 11 Months ago   Wow   Logged     Last Edit: 2014/03/15 00:25 By Booster.   The administrator has disabled public write access. #748604 davej (User) Platinum Boarder Posts: 18167 Re:110 Big bore results 3 Years, 11 Months ago   Yamaha book says stage 3 will get you over 80hpand about 108tq. Stage 3 is basically just HC pistons, hsr42,ign module, intake ,exhaust and clutch. No cams   Logged     dave   The administrator has disabled public write access. #748608 ultrastar (Moderator) We Call Her Big Red (Secretariat) 110 Big Bore Moderator Posts: 9536 Re:110 Big bore results 3 Years, 11 Months ago   I'm going to go upstairs and see if I could find one of my old runs because I'm sure I had about the same horsepower then here's a pic showing the difference between the 98 high compression pistons and 110 big bore pistons there about a 1/4 of an inch bigger   Logged     Last Edit: 2014/03/14 19:24 By ultrastar.   My Rides   The administrator has disabled public write access. #748613 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 17430 Re:110 Big bore results 3 Years, 11 Months ago   that makes no sence at all... unless black bikes are faster no matter what something is not right here jay. a stock 1700 with pipes and air cleaner gives 75hp and 100ft lbs tq. you have ported heads, big bore, carb, pipes, and air cleaner. you should easy put the most of us in the dust. i vote either the guy dont know what he is doing or the dyno is not reading right   Logged       The administrator has disabled public write access. #748615 ultrastar (Moderator) We Call Her Big Red (Secretariat) 110 Big Bore Moderator Posts: 9536 Re:110 Big bore results 3 Years, 11 Months ago   smokescreens wrote: that makes no sence at all... unless black bikes are faster no matter what something is not right here jay. a stock 1700 with pipes and air cleaner gives 75hp and 100ft lbs tq. you have ported heads, big bore, carb, pipes, and air cleaner. you should easy put the most of us in the dust. i vote either the guy dont know what he is doing or the dyno is not reading right Jason it make no sense to me I'm hoping old dog or someone with a 110 has had there's done and can let us know what they're readings were P.S i'm not freaking happy   Logged     My Rides   The administrator has disabled public write access. #748616 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 17430 Re:110 Big bore results 3 Years, 11 Months ago   i have asked him, usaf, and any other member who had internal motor work done if they ran their bike on a dyno cause i was really leaning on doing it up but none of them had done it. your a/f looks great to me. if the dyno is right the numbers are way lower than is called for here. tq is up 15lbs from a light modded roadie and while that is good your hp is the same. i really think his dyno needs to be calibrated.   Logged       The administrator has disabled public write access. #748617 davej (User) Platinum Boarder Posts: 18167 Re:110 Big bore results 3 Years, 11 Months ago   I'm a little confused on the AFR reading it goes lean off the chart at 3700rpm. If I'm reading that correctly you are running out of fuel supply at that point and can't make any more HP/TQ and your TQ drops like a rock around that area. Actually it looks like the AFR in the best run dropped high off the chart at about 2900 rpm and the tq dropped at that point.   Logged     Last Edit: 2014/03/14 20:06 By davej.   dave   The administrator has disabled public write access.

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