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Post by cyborg on Aug 30, 2015 11:25:36 GMT -5
It's all restricted get a dynojet kit for the carb. A decent pipe and air cleaner on it and you'll probably not quite but get close to double what the stock output is,,,,it's half a sportster engine,,,,so 50 hp is completely doable and not out of the question ,,reliably,,,if you run the stock head pipe with a decent silencer,,carb kit and air cleaner probably be under $200,,, and a world of difference in power and more importantly how it's delivered,,,,,,and also if you have dough,,,,get rid of the idiotic belt and go to a chain,,,,,final drive ratio changes will also help the beast come out,,,,one of the reasons there's no top end is because of the crazy low ratio of that belt setup,,,,look at the size of the rear pulley!!!! Looks like a turkey platter,,,,,
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Post by geh3333 on Aug 31, 2015 8:23:41 GMT -5
Top end seems as if its lacking power and with the lack of a sixth gear it has no chance. I can hit 75 in 4th gear but it is somewhat hard to hit the  mph mark in 5th. It just seems like it doesn't have the available power " at this point " to get the rpms up in 5th. It has a few downsides. Its an air cooled 500cc , low rpm engine " however the low rpm is a good thing due to the engine being air cooled" , other then 3rd and 4th , it seems as if most of the gears are geared too low. For instance , it feels as if you are starting in 2nd gear. Even 2nd gear seems a little too low at first . maybe I just need to figure this thing out a little better. The thing is that it has a redline of around 6500 rpms or so , so I'll usually switch from 1st to 2nd around 4,000 - 4,500 rpms , I can't really be sure because there is no tach. I will eventually get one. After getting a little into second , it has good pick up. 3rd and 4th are also nice , but 5th sucks. It feels like 5th was put in there just so u don't redline after 75 mph. Yes you can hit mph , but its not easy . its not like you hit mph and you just about redlined. Its more like you hit 90mph and your closer to 4000 rpms but have nothing left to push the engine any further. It maybe a tuning problem . I do need to replace the air filter. It doesn't look all that bad , but its over 10 years old . there was bad gas in the air box being blown back into the filter from the carb , so I need to change the filter soon. After that I may have better performance results. |
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Post by geh3333 on Sept 1, 2015 6:47:20 GMT -5
It seems as if I was shifting a little early. Shifting a little earlier helps a little , but it sucks not having a tach .
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Post by geh3333 on Sept 29, 2015 1:15:14 GMT -5
I finally got the buell running pretty darn good. I adjusted the primary chain in the clutch and did a few other things . I had what felt like a miss at warm up but after drilling out the air fuel plug I finally found that it was way too lean . I also removed the valve cover vent hose from the airbox and ran it into a homemade catch can with a filter mounted up higher. I also installed new shinkos on front and rear. Went from a rear 120/80/16 to a 140/70/16 and I went from a 100/80/16 on front to a 110/80/16 .
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mph mark in 5th. It just seems like it doesn't have the available power " at this point " to get the rpms up in 5th.