Big Bore kit - Page 2 - KawiForums - Kawasaki Motorcycle Forums
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post #11 of 37 (permalink) Old 09-23-2009, 06:21 PM
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Hey JD habe you looked into the millennium overbore yet
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post #12 of 37 (permalink) Old 09-23-2009, 06:53 PM
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only if i had a extra motor laying around ahha, forget 750's the je / corrillo setup id be huntin liter bikes down. Aren't the RR cam's a upgrade for us?!

mine:05 zx-6r 636, K&N, akra slipon
brothers: 08 z1000 w/ akrapovic full race exhaust
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post #13 of 37 (permalink) Old 09-23-2009, 09:35 PM
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thats a lot of money...but it would be cool to get the overbore.

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post #14 of 37 (permalink) Old 09-23-2009, 09:46 PM
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id be looking to do some motorwork too for my 636, its approaching 20,000 miles and i figure since the engines getting torn apart why not go big as opposed to just a supersport build. KWS motosports offers a big bore package it includes - JE custom pistons $699, Block Machined by Millennium Technologies $650, Carrillo H-Beams Rods $1175, KWS CNC Pro Head $1350, Adjustable cam sprockets $165, Custom head gasket $165, Labor and Dyno Tune $1500. Definitely on the steep side and kind of far away from me. Does anyone know of any good engine builders in the New England area? Theres SRE racing engines close by, he builds the motors for jeff wood who races ama and dominates the loudon road race series which is my home track, but im not sure if he does big bore kits. Kawasaki ZX-6R KWS MOTORSPORTS N. CHARLESTON, SC (843) 552-7177
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post #15 of 37 (permalink) Old 09-24-2009, 01:36 AM
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I have talked with KWS and carry andrews about this more than once to get my facts straight: The common thing is the rods, both agree they need to be replaced IF you are going to ride the bike without fear of it popping, epsecially if you do headwork as well or higher compression.
I feel kws is a bit high on parts cost, so i went about things myself and found everything they sell for a cheaper price...Big thing would be i would need to find someone to overbore the stock kawasak base and head gasket that 2mm.
neither used cometic due to failure with them.
MIllenium tech does this service and i have a set of sleeves/jugs i am sending their, as i am not looking to jump both feet in right now, kinda 1 part at a time.
the rods i can get for $1G or less as well, but other thinggs have my eye also so spreading the love is not always easy.

I also inquired about the crank, they did not say it was in need of additional work for this to stay reliable.

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post #16 of 37 (permalink) Old 09-24-2009, 04:39 PM Thread Starter
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I just called my lil shop... They have great prices, so lets see the prices they give me on the parts...

I'm getting rid of my exhaust...

JD I'm interested...

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post #17 of 37 (permalink) Old 09-24-2009, 06:33 PM
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Funny,

I am in the process of doing getting into this myself with my '04.

I am looking at a wiseco piston kit (+2mm over--13.5:1 compression), carrillo H-beam rods, and the head gasket all for $1467.95

Millenium quoted me $500 to do the cylinders.

And Orient Express quoted me $880 to do an aggressive street port and polish to my head.

Then I'll need a set of ZX6RR valve springs, and I already have the 05/06 cams and my ignition module waiting to find a home in my engine.

If anyone has better prices for any of this stuff, let me know.

Do I need a different base gasket with this as well?

A question I have... Once I rebuild this thing, do I want to wait to get it tuned until after I have it broken in? Do I want to do a pretty aggressive break-in?

'04 636--24k+ miles--Too many mods to list!
'04 ZX10--169.1RWHP, 84.8FT-LBS TQ. Mods galore!

Last edited by syntheticreality; 09-24-2009 at 07:36 PM.
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post #18 of 37 (permalink) Old 09-24-2009, 07:00 PM Thread Starter
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Which one is a better piston for us? JE or Weisco... Cause the Weisco in price are cheaper

Two Bros. Dual / -1/+2 Vortex / K&N Air & Oil Filter / Jumper Mod / PC3 (JDGun Map) / Iradium Laser Spark Plugs/
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post #19 of 37 (permalink) Old 09-24-2009, 07:35 PM
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JE are better. But I don't know if they are better enough to make up for the price.

'04 636--24k+ miles--Too many mods to list!
'04 ZX10--169.1RWHP, 84.8FT-LBS TQ. Mods galore!
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post #20 of 37 (permalink) Old 09-24-2009, 08:14 PM
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ya je's ftw... everyone i knew with wiesco's say they are loud when cold, they get a little slap until warm. What cam's are everyone using? The RR cams?

mine:05 zx-6r 636, K&N, akra slipon
brothers: 08 z1000 w/ akrapovic full race exhaust
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