Wanted: A handful of solid answers. Thank you.

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Poboy kartman

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Ok...I'll just throw this out there : There's a recommendation of a Black Mamba Jr. cam here...which could potentially turn 7k. I don't think it will...and if Joe shows just a little restraint and common sense...even if the vehicle could get there...I don't think it will.

Another suggestion is to run the stock cam...which would be OK...but it's a plastic gear.

I've got a suggestion: the 230-0211 from Nnracing...it's a torque cam designed to run 5500 rpm...so it makes all it's power down low. (Opinions on this cam, anyone?)

If he decides this cam isn't enough it would be easy to upgrade later...(nobody ever downgrades) ...but it would make that engine super reliable with the stock flywheel and a step above stock. For a little more top end, the 230-0611 turns 6k+ (supposedly with a wide powerband) and would still be running a bit less rpm with the stock flywheel.

IIRC...these will require an offset key...so he should definitely lap his flywheel.

Regardless, he needs to adjust his gearing as previously mentioned for more grunt.

My two cents....
 

itsid

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I believe I will try the FW for size, take some measurements and call in a buddy who's pretty good at fabbing stuff up.
If the FW is correct, and we can do a solid job of mounting magnets, I'll probably go with it, especially since I already parted with the Jing.

Well you could, but keep in mind that you loose the balancing if you add magnets..
(frankly I'm not even sure the magnets fit... I doubt it tbh.)
and well..worse if you remove material to make room for the magnets;
it'll be nearly impossible to balance that flywheel again without a serious machine shop.

so you might end up with a less secure flywheel than before (which was balanced WITH magnets)

Your choice of course, but be careful.

'sid
 

Joe-405

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We've got lots of Joe's and lots of Joe's have lots of minibikes.
Some are Joe Minibikes.
Some are Nacho Minibikes.

I've got to keep this straight.

Thanks for that. Cause mine is overkill and then alot more overkill. Haha
 

bob58o

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Admittedly this is the link you get on OMB You mention governor removal without a Billet Flywheel.

They lock the thread and give you this
 

chancer

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Wow That is a crazy link! Why would anybody continue at the OMB forum.
Giving out False info for legality concerns is stupid.
My favorite Line in that is:
" This is a privately owned website so your first amendment right to freedom speech is void."
OMB

Wow!
 

Bbqjoe

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Wow That is a crazy link! Why would anybody continue at the OMB forum.
Giving out False info for legality concerns is stupid.
My favorite Line in that is:
" This is a privately owned website so your first amendment right to freedom speech is void."
OMB

Wow!

Many boards are like that. I've even seen some that...

Never mind.
 

itsid

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Yeah, welcome to the real world..

freedom of speech is cool and all.. domiciliary rights are much more important.

Keep in mind, that when in doubt, the Owner and Admin of any forum is held responsible for ALL content on his website.
(and that by law includes forums)
that's why directly beneath that nasty FoS void is
The opinions expressed by members/users of this forum do not reflect the opinions or advise of OLDMINIBIKES.com, its Owner, or its operators.
ah well.. we're back at decent not sueing others for your own stupidity thing.. but that's redundant. ;)

We as much as the guys on OMB like our members to stay safe when messing with karts, mini bikes and all vehicles that are around.
They're just extra-careful...

We deal with more decent people here (at least so we hope)
and as that we claim a stock flywheel should be good even at 6k rpm..
if treated carefully.
we also believe that if you notice an imbalance on your engine at higher rpms,
you're smart enough to back off and check all moving masses and replace when necessary.
(in case your flywheel itself is perfectly fine, just not fit for the speed)

It all boils down to this:
If you did wrong and you fail, get hurt or worse.. it's your fault.
if you did everything correctly and you fail, get hurt .. or worse...
still NOT OUR fault.
or short: "you take the responsibility for all your actions!"

'sid
 

Poboy kartman

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Yeah I noticed two things in that thread that make a difference. First..."ABOUT" 6100 rpm. How are they determining rpm?

Secondly: "SL I GHTLY MODIFIED FLYWHEEL"!!!!!

So...since govenor removal only gets you to 5400 or so....THAT point is mute...but more importantly is "slightly modified" ...that's different than stock.
 

Bbqjoe

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Parts were supposed to arrive yesterday according to USPS.

They're still in Tallahassee.

Did about 20 mi of some serious off roading yesterday with a buddy, only lost a few bolts off of the crate, did a little panning, but found no gold.
 

mckutzy

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Its interesting how that vid is slightly delayed and to the effect didnt list all of the variables to the demise of the engine. I think this hardcore aproach to there no gov/billet flywheel issue is kinda childish.... especially when there isnt really enough evidence to support it(that they have provided).
 
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