bcs motor bulid - Page 2 - Kawasaki KFX450 Forum - KFX450Central
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post #11 of 19 (permalink) Old 10-15-2008, 03:25 PM Thread Starter
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hey guy thanks for being so patient . i know it has been a while since this post has been created . the motor is back in the quad now i'm going throught the breakin now and then i well have some numbers for you guys . The motor seems to have alot more toqure but wont know all the details until we tune it in on the dyno this weekend stay close
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post #12 of 19 (permalink) Old 10-16-2008, 12:55 AM
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post #13 of 19 (permalink) Old 10-24-2008, 01:42 AM Thread Starter
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HEY GUY'S I have finally got a chance to rip the new motor and the power is great it seems to have a lot of toqure . I am having some issues with the rings sealing up right .but it does not seem to hurt the power I have taken some extra care to try help the rings seal up but they just dont want to . so I am wating to her from bcs if it would be ok to run on the dyno like that but they did do a great job porting the head it looked real nice and makes good power . I am hoping to see mid 50"s I have a customers bike here that dynod at 48 and this ones is alot faster I will keep you posted in the next few days
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post #14 of 19 (permalink) Old 10-24-2008, 11:32 AM
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which piston and comp. did u go with...im in the middle of a rebuild myself.....went with the CP

yeah, but does it go fast!!!
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post #15 of 19 (permalink) Old 10-24-2008, 01:20 PM
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QUOTE (kevinpowerski @ Oct 23 2008, 10:43 PM)
Quote:
HEY GUY'S I have finally got a chance to rip the new motor and the power is great it seems to have a lot of toqure . I am having some issues with the rings sealing up right .but it does not seem to hurt the power I have taken some extra care to try help the rings seal up but they just dont want to . so I am wating to her from bcs if it would be ok to run on the dyno like that but they did do a great job porting the head it looked real nice and makes good power . I am hoping to see mid 50"s I have a customers bike here that dynod at 48 and this ones is alot faster I will keep you posted in the next few days
I'd think it's gotta dyno mid 50s.....big 3 plus cams dyno's just under 50 (yes they are all diff I know the drill)...Sounds sweet for sure!



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post #16 of 19 (permalink) Old 10-27-2008, 11:15 PM Thread Starter
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QUOTE (offroadhunter @ Oct 24 2008, 11:21 AM)
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I'd think it's gotta dyno mid 50s.....big 3 plus cams dyno's just under 50 (yes they are all diff I know the drill)...Sounds sweet for sure!
I belive that jay used 14:8:1 cp but I will ask him to be certian.as for dyno numbers I have not ran it yet it is having some trouble sealing up the rings but not to worry it is just a small issue > I am super ready to dyno it .it should pull some good numbers the power is awesome and every where . jay at bcs did a good job on the head the web cams he uses are a real good cam .
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post #17 of 19 (permalink) Old 04-23-2009, 12:14 AM
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Stupid question but how can you tell if the rings aren't sealing up right?

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post #18 of 19 (permalink) Old 06-03-2009, 12:15 AM Thread Starter
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Well you can check comp and you can usally see blow by. I was not completely sure if that was it or not so I pulled it a part. I checked the valve seats and stem seals and put a new piston in. I have been waiting for parts from jay at BCS but they never showed up so I fixed my self and it is runninig great . I pulled 52 hp at 5,200 elevation With 34Hp base line I like the webb Cam shafts because it is between hot cams stage 2 and 3 . Bcs customer service was not very good for me but it is easy to make a mistake when buliding a motor . If you want to wait along time for your parts to arrive these are your guys . they did do a great job with my head and it make great power. thanks jay
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post #19 of 19 (permalink) Old 06-20-2009, 08:32 AM
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Kevin we were waiting for you to call us back to let us know what you needed for parts, You said you were gonna call us back for the rings. If there is anything you need from us call us and we'll get it shipped to you. We have moved to a differant location and our new number is 413-736-2201

BCS Performance
57 B school street
South Hadley MA, 01075
bcsperformance.com
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15% off shock service now until February 1st
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