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Author Topic: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)  (Read 49767 times)

Offline Nebr_Rex

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #150 on: Nov 26, 2015, 23:42:22 »
I acquired another toy/tool a little while ago. To help me with some of my crazy ideas.
Here are a couple of pics and a video (15 min. you'll never get back) of the head for my Ranger.












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Offline doc_rot

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #151 on: Nov 28, 2015, 18:09:07 »
very nice. how do you polish that step in the head after making the port bigger? die grinder?

Offline Nebr_Rex

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #152 on: Nov 28, 2015, 20:53:06 »
Several die grinders and a collection of carbide burrs, stones etc......
that I have been picked up over the years. I will not polish the intakes
First head I got greedy and blew threw one of the intakes.


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Offline Nebr_Rex

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #153 on: Dec 06, 2015, 23:19:16 »
Back to motorcycles.
Milled the block for the shorter Honda pistons.
Needed .118 in. so I just took a straight .120 off.
You can see the difference where the displacement
is cast in the bottom of the block.


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Offline doc_rot

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #154 on: Dec 06, 2015, 23:29:38 »
will removing that much material cause the cam chain to have extra slack? will the tensioner be able to take up that much?

Offline DohcBikes

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #155 on: Dec 06, 2015, 23:35:09 »
There is not a thread on DTT that makes my head hurt more than this one.

Best of luck Rex. If you're in the Lincoln area we should have a beer and not talk about motorcycles at all
burning bridges sometimes light the most productive paths

Offline Nebr_Rex

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #156 on: Dec 06, 2015, 23:41:04 »
I thought about that. I'm stuck with the bore job the cycle shop had done.
Going to try making lemonaide out of a lemon set of sleeves. The pistons
can be resold since that model of quad is starting to show up needing engine
work. Might have to shim out a chain guide or two.


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Offline Nebr_Rex

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #157 on: Dec 06, 2015, 23:43:20 »
There is not a thread on DTT that makes my head hurt more than this one.

Best of luck Rex. If you're in the Lincoln area we should have a beer and not talk about motorcycles at all

I had more than my share at the co. Christmas party last night.


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Offline DohcBikes

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #158 on: Dec 06, 2015, 23:45:02 »
I had more than my share at the co. Christmas party last night.


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pics or it didn't happen
burning bridges sometimes light the most productive paths

Offline DohcBikes

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Re: Dr. Jekyll and Mr. Hyde ( a pair of KZ400s)
« Reply #159 on: Dec 06, 2015, 23:50:13 »
I thought about that. I'm stuck with the bore job the cycle shop had done.
Going to try making lemonaide out of a lemon set of sleeves. The pistons
can be resold since that model of quad is starting to show up needing engine
work. Might have to shim out a chain guide or two.


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You do realize he is talking about deck height, right?

Tip of the iceberg.

Are my ears smoking yet?
burning bridges sometimes light the most productive paths