VFJ 750cc std bore testing - Page 2 - Kawasaki ATV Forum
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post #11 of 135 Old 07-05-2012, 07:30 AM Thread Starter
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full kit price, cams, pistons, springs, (gaskets pending size) will be under 1000.00 they are a little more expensive vs off the shelf stuff, or other builder kits but they are more expensive pistons, cams, and ring packages.

Like everything I sell, I will try to get the best rock bottom price on all components and pass the savings on to my customers.

The testing phase is what takes the most time. we have the brute we are using for testing and when that's done, we have to install the whole kit again in another brute and it HAS to yeild the same exact results to be marketable the way I want it to be. no messing around.

with my setups you get the total package. You don't just buy the parts and hope you can figure it all out on your own once you get them installed. Ihave it covered from the first bolt you unscrew to the first run you take.

I can set you up with complete custom Clutching, Spot on FI tuning, Carb tuning, I can even install and dynotune the machine. Years of experience wth these motors, clutching, tuning makes this a fairly simple task for me.

John

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post #12 of 135 Old 07-11-2012, 06:56 PM
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Hey man, have you had any time to play with this combo? I know you stay covered up, Im guessing it will be after vacation?
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post #13 of 135 Old 07-12-2012, 07:52 AM Thread Starter
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The kit is installed ran, abused and then it was pulled apart this week to diagnose what the pistons looked like and see whats happening.

we are trying another piston ring setup to see if we can yeild some even better results and then test again.

when I'm totally satisfied with the results, things will get put into production.

when the standard bore stuff is done and functional, then we move on to the bigger kits that are 2012 specific. I still have different intake and exhaust valves to test.


luckily for the 2012 brute's they can be made 880cc direct bore in, they have larger cylinders than previous years. not many people know this about the t-4 and the '12 brute

all in time. nothing happens very fast around here when it's 90* out.
John

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post #14 of 135 Old 08-13-2012, 01:12 PM
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updates?
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post #15 of 135 Old 08-13-2012, 05:18 PM Thread Starter
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still waiting on parts.

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post #16 of 135 Old 08-13-2012, 08:13 PM
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2012 is a beast with all your current bolt ons I can't imagine this bike bike 80hp or more with a 860-880 kit

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post #17 of 135 Old 08-14-2012, 07:40 AM Thread Starter
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80hp would be a hell of a trail bike. I had a 1005 stroker on the dyno the other day making 88-89 rwhp range all motor. at that power level the fun is just beginning!!


There's still much testing to be done. Parts like pistons, gaskets, cams, valves. everything is a waiting game and takes forever to get anything completed for 1 off custom parts. then if it doesn't do what it was supposed to, it's back to the drawing board.

I literally have a motor cut in 1/2 at my home garage and have made up nearly a dozen cam profiles down to the intake opening/closing degrees as well as the exhausts. That's the next step, it'll be costly and time consuming to get done on it's own. then I have to rely on the cam company to ensure the specs I give them they can carry over to the profile correctly.

John

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post #18 of 135 Old 08-25-2012, 10:29 AM
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John,
Is it possible to swap the cylinders from the 2012 Brutes onto the 2010 models? What all would have to be changed? I assume heads would have to be changed also.
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post #19 of 135 Old 08-26-2012, 05:01 PM Thread Starter
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no the cylinders will not fit in a pre 2012. they are larger in diameter and would require some case boring like trying to put the brute cylinders in a 700cc motor. the 2012 can be bored to 880cc as where the 05-11 models can only go to 840cc.

here's how the cylinders go bore and plating for the aluminum cylinder models
633cc i model motors can be bored to 87mm tops
750cc motors can go to 90mm tops 05-11
2012 cylinders can go to 92mm



hopefully this weekend the 750cc standard bore setup will be complete and fully tested. it just has to be dyno tuned and clutched.

John

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Last edited by VFORCEJOHN; 08-26-2012 at 05:14 PM.
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post #20 of 135 Old 08-29-2012, 10:31 AM
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08 840 DSC stg 1, TRP Cams, 28`OL2's/14'SS 212, 2`RDC Lift, Elka Stage 4's, ASR Pro X Tie Rods & Ends, Snorkeled, MSD Charge FI, Muzzy Super Pro`s, K&N Air Filter, VFJ Clutch Stage 3 Spidermod #3/#1 Springs, Highlifter DHT Axles, OMI Greasable Steering Stem, J&T Temp Gauge, 2012 Front Upper A-Arms, Full Ricochet Skids, Warn AT Winch 2500lbs, Heated Grips & Thumb, Eagle Eye HDI's, Kimpex Flexi Box + Pegs
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