CBR600 F2 rebuild - Wrist Twisters
 
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post #1 of 20 Old 11-22-2014, 10:56 AM Thread Starter
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CBR600 F2 rebuild

So we bought this CBR600 F2 a couple of weeks back. Why? My girl had a big motorcycle crash a couple of years back and some of the injuries will never heal. But she wants to ride. 2 years on one income has left us somewhat financially embarrassed. So im going to rebuild this CBR and make it fit her needs.

For a start it has to be stripped right back as its been sitting for 8 years and is rusty in places. Previous owner did 1000 miles. In ten years. Bike has 30k miles on it. I found out last weekend some of those were race miles as its been wire locked and I found some repairs.

When we got it would not run. Last weekend I replaced the plugs, drained the tank and cleaned the carbs. Fresh fuel and it started first pop.

So the plan is strip. Send the frame, swingarm etc off for powder coating. Clean the motor up and fit new oil seals to the oil cooler which is leaking. Remove any parts that are not needed to reduce weight. My girl does not have much strength so lighter is better. Design and fit a quickshift system as her left anke had to be fused after the crash. Fit 919 style bars as she cant lean forward. Fit Chinese fairings and the jobs a good one.

I hope....
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post #2 of 20 Old 11-22-2014, 11:03 AM
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Nice read and nice plan.

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post #3 of 20 Old 11-22-2014, 11:24 AM
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Spiegler makes a real nice tubular handlebar conversion for the F2, I rode with a guy that had the kit on his F2 and it looked like some well made stuff


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post #4 of 20 Old 11-22-2014, 12:32 PM Thread Starter
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Quote:
Originally Posted by voodooridr View Post
Spiegler makes a real nice tubular handlebar conversion for the F2, I rode with a guy that had the kit on his F2 and it looked like some well made stuff
Sadly that is way out of budget. Home engineering will be the way.

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post #5 of 20 Old 11-22-2014, 12:33 PM Thread Starter
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Got most of the back end, fairings and rear brakes off. Going to get some of the Learner riders I mentor to come over next Sunday to get the motor out.

Found the oil leak, looks like some dodgy repair.

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post #6 of 20 Old 11-29-2014, 11:02 AM Thread Starter
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Today a bunch of my learner riders want to learn how a bike works. So they are coming over to strip the CBR down as far as we can get it.

Feels like I have my own Minions. Muwhahahahhaha

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post #7 of 20 Old 11-29-2014, 07:07 PM Thread Starter
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My Minions worked hard, along with my kids.

Now to plug the frame so I dont get powder in the threads. Will do the swing arm at the same time.

Im determined that my kids know how to fix things. My boy can pull all the plastics off my trail bike and undid the motor mounts off the CBR.

Found an epic oil leak in the water/oil cooler. I hope it just needs seals.

Im open to advice from anybody that has worked on these.

Think I will fit a Shorai battery low in the frame to help get the weight low.
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post #8 of 20 Old 11-29-2014, 09:34 PM
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Wish I had that kind of opportunity and ambition to work on things like that when I was a kid. My old man fixed a broken motor mount on our snowmobile with a vice-grips... Not quite the "correct" way to do things.



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post #9 of 20 Old 12-05-2014, 05:53 PM Thread Starter
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Next step is do I need to do any frame mods?

So thinking of mounting a Shorai battery down by the shock to help get the weight low. Will sit where the stock water overflow bottle goes which I will replace with a smaller one next to the battery.

And I think I will lower the bike. Rather not use a link but have heard a F3 shock will drop the bike a bit.

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post #10 of 20 Old 12-05-2014, 05:56 PM
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If you can't easily figure out the battery location, I wouldn't worry about it too much. Those Shorai's are probably not even 2lbs. You might even get away with a 4 cell on that bike, which is probably less than a pound. 99% of the riders in the world wouldn't be able to notice (or more importantly utilize) that small of a weight distribution.

But if it's easy to figure out, one other bonus might be to use the added space elsewhere for storage.

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post #11 of 20 Old 12-05-2014, 06:11 PM Thread Starter
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If you can't easily figure out the battery location, I wouldn't worry about it too much. Those Shorai's are probably not even 2lbs. You might even get away with a 4 cell on that bike, which is probably less than a pound. 99% of the riders in the world wouldn't be able to notice (or more importantly utilize) that small of a weight distribution.

But if it's easy to figure out, one other bonus might be to use the added space elsewhere for storage.
The lighter I can make the bike the better for her. Its easy to do while the bike is this far apart. Tomorrow i will start prepping it for painting.

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post #12 of 20 Old 12-05-2014, 08:07 PM
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Quote:
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The lighter I can make the bike the better for her. Its easy to do while the bike is this far apart. Tomorrow i will start prepping it for painting.
Ah, correct, I remember now the story about your wife, that's a very valid point. It will help to keep the center of balance easier to maintain.

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post #13 of 20 Old 12-16-2014, 11:12 PM Thread Starter
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Little update. Have started working on the top clamp for fitting normal bars. Will be using some trail bike mounts. Frame will go in for powder in January. Headers will be going in for Ceramic coating.

Engine seals have been ordered.

Im also getting on of these, brilliant thing made in England where the lefthand grip works as the gear shifter. The clutch lever and switch gear all mount to it. All made by a disabled guy.
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post #14 of 20 Old 12-17-2014, 01:13 AM
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What does it do, Rob? Rotate and pull a cable?

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post #15 of 20 Old 12-17-2014, 11:32 AM Thread Starter
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What does it do, Rob? Rotate and pull a cable?
Yes. Rob Tharlson sent me down this route. It works like a throttle with 2 cables. Twist forward is a down shift and back an up.

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post #16 of 20 Old 12-17-2014, 11:34 AM
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Cool! Hope it works out for your girl...

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post #17 of 20 Old 12-17-2014, 01:20 PM
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Man, I wish you were stateside. I'm pretty sure I have a Fox Racing shock that would fit your bike. Shipping to NZ from the middle of the US is sure to be brutal.

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post #18 of 20 Old 12-17-2014, 01:41 PM
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I guess it depends - we get a bit used to shipping costs, parked as we are in the wrong part of the Pacific.

I just had an F3 front wheel w disks shipped to me USPS from Atlanta for around $100 - the vendor said the key to getting cheaper shipping [some quotes as high as $283!!] was to write down the declared value of the goods...

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post #19 of 20 Old 12-17-2014, 02:45 PM
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Quote:
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I guess it depends - we get a bit used to shipping costs, parked as we are in the wrong part of the Pacific. I just had an F3 front wheel w disks shipped to me USPS from Atlanta for around $100 - the vendor said the key to getting cheaper shipping [some quotes as high as $283!!] was to write down the declared value of the goods...
I friend of mine does this quite often for car guys in other countries that charge outlandish shipping fees

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post #20 of 20 Old 01-23-2015, 12:16 AM Thread Starter
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Just landed this to put normal bars on it. Yummy.

Next week it will get a little welding them off to the powder .
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