Victoria! Zeke's CB175 Build

Speaking of hoes and holes may I suggest sending your kid to church before he is old enough to get tanked. "Send out your tank to be professionally sealed and pressure tested"- Revrrrrrun Jesse James

Ok stop laughing Joon Ya! Watch Metal Church 1-6
http://vimeo.com/11494252

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If you haven't read Crazypj's 360 thread it is a tutorial on speed and fabrication...here are a few sound bites...http://www.dotheton.com/forum/index.php?topic=11736.0

"Here's sprocket cover/clutch mechanism lifter I modified a while ago, not sure if i should finish polishing it or just paint the damn thing?"

"Hi Mysta2, I'm probably the only person crazy enough to modify these things on a 'regular' basis."

"It's a stupid amount of work for whats basically a cheap bike"

"You can't true out the weld area though I tried (took me a little while to figure out why I had 0.030" 'hop')"

CrazyPj gets up early to finish assembling engine and can't find rings so he decides to mill néw clip ons..crazy can hold a .00015 tolerance with his pocket knife! Love this guy!


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Here is our brake
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This is our first tunnel. We are planning in hiding something under the tank and are going to cut the tank mounts on the frame and move them bAck. We are going to put clips on the rear seat and the tank will hinge in top of the seat for one point for the tank strap. That way with one flick of the wrist we can remove both tank and seat easily.


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Need some help. What do you think about mounting the cam chain tension where the red dot is on the case?
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Tensioner goes on the rear and that fixed guide goes on the exhaust side where the chain is under tension and is relatively straight.

On the source bike that stud goes in the head or top of the block. It could be mounted either way up though.
 
teazer said:
Tensioner goes on the rear and that fixed guide goes on the exhaust side where the chain is under tension and is relatively straight.

On the source bike that stud goes in the head or top of the block. It could be mounted either way up though.
Click to expand...
thanks Teazer so we can mount it either direction from the bottom or top?


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The reason that it's bottom mounted normally is because that's the direction of drag on the chain and puts it in tension. Top mount will tend to cause the drag to increase tensioner force leading to more drag etc, but how much that will happen is an interesting question. I suspect it's not really an issue.

You see the bend in that front blade? That's because the chain "sticks" to the camwheel and curves off when in motion. The curve blade is teh best fit when the motor is running versus a static design and straight blade.
 
crazypj said:
Several of the CR motocrossers used aluminium plates
Click to expand...
found several sets of aluminum plates how much redundancy is there with clutch plates cr250 has them
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teazer said:
The reason that it's bottom mounted normally is because that's the direction of drag on the chain and puts it in tension. Top mount will tend to cause the drag to increase tensioner force leading to more drag etc, but how much that will happen is an interesting question. I suspect it's not really an issue.

You see the bend in that front blade? That's because the chain "sticks" to the camwheel and curves off when in motion. The curve blade is teh best fit when the motor is running versus a static design and straight blade.
Click to expand...
thank you! This is fun!


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I have no idea which CR models are the same as a 175. Somewhere here I have RS250/rs125 and TZ250 disks to compare if you don't have a cross reference. If you know the answer, I'll order a bunch too. :)
 
I also read the aluminum plates are thicker will this be an issue?


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Is that CR and what are 200 dimensions?

Yes, thicker matters..... It allows a greater clutch pack thickness with the same number of plates for higher spring pre-load.
 
Is there any reason why we can't use aluminum washers instead of the plate?
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photo courtesy of Michael Moore. At least we are going to steel washers...


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Texasstar said:
Is there any reason why we can't use aluminum washers instead of the plate?
unenu6ud.jpg
ade3u8uq.jpg
photo courtesy of Michael Moore. At least we are going to steel washers...


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Click to expand...
no washers are needed there with button heads there is plenty of contact
 
Texasstar said:
I also read the aluminum plates are thicker will this be an issue?


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Click to expand...
well if they are thicker you nay not be able to use as many total plates then it could be a problem
in my opinion you are wasting your time lightening up the clutch you should concentrate on things that actually matter
 
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