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Discussion Starter #41
Good choice. Those EX250's are good about holding their value. You will probably be able to sell it for about what you paid for it in a year or two if, or when, she decides she wants something else.
I paid a little over 1k for it, and only needs a cleaning in the carbs.
It's ride-able, but throttle hangs up a little bit. (not crisp)

So far, my gf has been riding it around enjoying it.

Started wiring up the CB900, I need to get the stator out of the housing so I can put the new on it.
It's pretty stuck, so I might have to destroy it to get it out.

Will try to get more updates this week when I get some time.
Going to pick up some Öhlins for the rear, maybe this week also. Need to see which would be best.

Any advice on those for street use?
 

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Discussion Starter #42
Hey, friends.

I got around to fiddling with the CB again.

I'd like to rebuild the front forks, and wanted some advice.

The forks on the bike are 37mm version.

Any suggestions for springs? Brands, recommended spring rates for street riding? Anything at all? (I've never modified suspension bits, so I'm not sure what would be best.)

I don't have any fork specific tools, so I'm considering getting these done by pros.

Let me know any thoughts.

I appreciate it.
 

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There's not really any fork specific tools needed to re-build forks. Keeping the forks fully assembled, use an air impact wrench to undo the damper bolts. That's the hardest bit right there.
 

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Discussion Starter #44
There's not really any fork specific tools needed to re-build forks. Keeping the forks fully assembled, use an air impact wrench to undo the damper bolts. That's the hardest bit right there.
I guess I'll make a tool to drive the seal in. Maybe out of PVC or something.

Does anyone know if I need some special bits to convert the air system over to a progressive spring? (These are the air assist shocks, and as I understand converting these types of shocks need a couple bits to work.)
 

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Discussion Starter #45
Been a minute since updating this thread.
I've been preoccupied with the GS750, and the new ZRX.

I have since decided to go a different direction with this bike.

Rummaging through my parts in the shed, I've decided to put on different handle bars and get rid of the clipons.
The rear end is now a ZRX-1200.
Here are some pictures. (Shocks are just on for test fitting.)

Next plan is to either rebuild the front shocks with new seals, springs, clean the dampers... or, just get some real 900F forks and wheel/brake assembly. (I'm not sure how bad riding a leading front axle fork will be for the handling. Considering the effort of upgrading the rear end, I should probably just go ahead and do a 900F front. Ideas? Comments on that?)

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I would do something to balance the upgrades at the rear.
Guys really seem to love the early R6 forks
900F would be a simple bolt on.
 

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So I'm new to this group but I see if maybe you'll have some answers for me I have an 81 Honda cb900c and an 81 cb750c the 750 is chain driven and the CB900 C is shaft driven can I swap the engine and the rear swing arm off the 750 and put it onto the 900 I want to know cuz I have a title for the 900 and not the 750
 

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So I'm new to this group but I see if maybe you'll have some answers for me I have an 81 Honda cb900c and an 81 cb750c the 750 is chain driven and the CB900 C is shaft driven can I swap the engine and the rear swing arm off the 750 and put it onto the 900 I want to know cuz I have a title for the 900 and not the 750
If you have to ask, the correct answer is no. What you described is sanitizing a VIN, it would be easier and just as successful to hack the VIN frame stamp off one frame and weld it onto the other frame. Now you have a motorcycle that no insurance company in their right mind would touch.
 

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He's right, you'd be better off spending a few, or several hundred $ to get the 750 frame legal or buy a frame with a title and start from there. The chain drive is best for a café bike, the shaft is a cruiser, in fact the 750 c is a cruiser too. I have a 1980 CB750C, and I like it, it's actually the bike I ride the most, because I'm old and the café riding position kills my back! the custom frame can be cleaned up to pass for an F and since you will probably change most every it will look ok I guess, if you use an F tank. The main difference is where the driver foot pegs mount. The cheapest way around that might probably be a set of aftermarket rear sets? instead of spending all that $$ It might be best to find a 750F to start with then if the motor is bad then swap in your C motor. The deal is, cool aint cheep, I'd keep looking.
 
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