Planet Minis

Monstret

You know how mouch hp it got?

firepower354

HP will vary greatly, depending on head, cam, carb, pipe, compression, timing, and tuning. Kinda like BK, you get it your way
With jetting and timing spot on, you should see 16-22HP, from mild to wild. We don't have any dyno races here in the US, though Every version will have a big, broad torque curve and get around very well.

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RamRockRacing

Terry, what do you think a head with 31 inlet and 29 exhaust valves will do ported by you. 22+ HP range. and maybe bump up to a 30mm carby. with a exhaust that the exhaust tube start at 29 mm and step out to 32mm by the muffler.

firepower354

Let's get one on the bench, before we try crossing the finish line with it
The 29mm exhaust valve sounds big, for a 31 intake, un-blown.

Fire yours up, yet?

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RamRockRacing

Nope might today, will work on it here in a bit, I had to order new oil lines yesterday, lines I had, the banjos was not right, they had 10mm on one side and 8mm on the other, I need 10mm on both sides. So I can mount dual oil coolers up.

Sorry my mistake 31 and 28 valves. We might look at a 32 and 28

kawasakicoby125

terry i might want one of these bad ass clutch covers on my yx160, maybe wile its over there u can fix my v2 blunder?

firepower354

Yeah, it's starting to look like you need professional help, of some sort

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kawasakicoby125

ok, i got that, now how much to put in the "shiny parts"? i already have the v2, and the motor. just need the clutch cover and some POWER! haha

MaXeD-OuT-PiT

DUDE THAT MOTOR IS SICK!!!

Would i be getting that clutch cover on my z155?

up4da4nal

he does a nice 'lil package deal for the 155Z with that cover for 350 i believe

MaXeD-OuT-PiT

Yeah i believe i got that option with the new crank, im not sure though.

Im sending my motor to him so he can install..

*177cc BBK/skirted Akunar piston
*V2 head w/decomp valve
*stroker crank with a deplacement of total 184cc
*and installing jap bearings for a smoother run

Itll be sick!

firepower354

Well, we can at least get the sumbich running, or go for the holeshot.
It's between you and your checkbook how far it goes

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kawasakicoby125

pm sent terry. i wanna do this!

firepower354

The first of the customer 212's is going together right now.
You're welcome to stop by and ride mine, at least until it gets replaced with the 229. lol

Stroke=TORQUE

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firepower354

55.5 bore, 51 stroke, close ratio Z, for 125 legal rippin?

Just about any combo you can dream up, or dare to let me come up with for you, can be built

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Kurlon

How hard would it be to adapt a Honda 41.4mm crank to work with the import crank driven oil pump and Daytona style clutch cover? Oh, and saddle it with a 4v head and a 67mm bore. : ) 146cc twist'n Gooooooooooooo.

klxrider245

what size crank comes with the 212cc a 57mm

firepower354

63mm

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firepower354

Not too tough, we've had Honda-cranked Xtremes. Bearing spacers (nice anyway, to reduce OD and friction), and a couple other little extra hurdles with the YX/Z architecture. 67mm slug is a bit much for a stock 50 rod, crank and the 23mm big end pin. And, while the B/S ratio seems "modern", the heads available are not really asking for that much bore (combustion chamber and piston crown area losses, slug mass). I think a 60x53 version would still let you work the top-o-the-tach just fine and have better overall power characteristics. But, if you send the money, I can build it

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Honda Trail Bikes parts and accessories.
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Kurlon

I was assuming a longer rod would be required, otherwise I'd use the beefier DrATV 41.4mm crank/rod as a base.

I've wanted to make a short stroke screamer for quite awhile, just don't have the tools/skills for the bulk of it. I'm going to noodle around my spares bins to see just what I've got for viable donor parts...