Worth reviving a 1993 Honda CBR900RR that's been sitting for four years? - Page 2 - Honda Motorcycles - FireBlades.org
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post #16 of 204 Old 03-05-2018, 4:57 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Yeah, I think it even have a lithium battery. I remember picking it up and thinking, "Wow, this thing is really light even for a motorcycle battery. Must be from being so dead." But it was a Shorai battery and they only sell lithium. So... that's probably why it was so light. I'll probably buy a CTEK lithium battery tender if it'll be compatible. I'll have to check the battery to make sure.
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post #17 of 204 Old 03-08-2018, 1:39 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

What do you guys think would be the best steps for starting a restoration/rebuild/get-working-well-tion of the bike?

I haven't picked up the bike yet but I want to... The reason I haven't: it's complicated - lien sale process is very long and drawn out here in California but I am thinking of picking it up early and just working on it before I legally own it. Guy who has it in his wood shed doesn't think there would be a problem with me doing that. I'd also rather get started on it and get it running before potentially paying $700+ in taxes only to find out the bike would be impossible to get going because the engine needs to be replaced.

So with the mindset of: I want this bike running and moving before I really start replacing/rebuilding everything, what should be my order of operations?

I'm thinking:

1. Drain the fuel system
2. Inspect and clean the gas tank thoroughly (possibly seal it? Suggestions?)
3. Take apart the carburetors and rebuild them (with a new gasket kit from here maybe? Honda CBR900RR Carburettor Kits )
4. Replace oil, oil filter, spark plugs, and air filter. Battery either replaced or recharged.
5. See if it starts. (Is there an easy way to hotwire these bikes because I don't want to buy a new set of locks and keys so quickly)


From there, it seems like the sky is the limit on what to replace/rebuild. I'm sure the front forks could use new oil and seals. The tires will need to be replaced. I don't know if rotors and pads are okay with sitting for four years in a damp environment.

Anything else?
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post #18 of 204 Old 03-08-2018, 3:52 PM
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

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Quote:
Originally Posted by TridenTBoy View Post

I'm thinking:

1. Drain the fuel system Yes
2. Inspect and clean the gas tank thoroughly (possibly seal it? Suggestions?) Yes; if necessary but I'd come back to it after #5
3. Take apart the carburetors and rebuild them (with a new gasket kit from here maybe? Honda CBR900RR Carburettor Kits ) Yes, after trying #5
4. Replace oil, oil filter, spark plugs, and air filter. Battery either replaced or recharged. Yes, but I'd remove and clean the spark plugs but only after #5. Spark plugs are expensive and if they were good when the bike was last run, to my knowledge they should be fine left idle for 4 years.
5. See if it starts. (Is there an easy way to hotwire these bikes because I don't want to buy a new set of locks and keys soYes, after #5 quickly)


From there, it seems like the sky is the limit on what to replace/rebuild. I'm sure the front forks could use new oil and seals. The tires will need to be replaced Positively, but after #5. I don't know if rotors and pads are okay with sitting for four years in a damp environment. Should be fine as long as there hasn't been any oil on the pads. Rotors are steel and can be cleaned.

Anything else? Yes, but after (say it with me)...#5
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post #19 of 204 Old 03-08-2018, 10:38 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Kind of on the heals of what Jay is saying; make sure the engine turns over freely (wrench on the right side small access cover clockwise). Take the plugs out and toss a bit of engine oil or penetrating oil down the holes. Let it sit a bit. Then give it a go with the wrench.

If it turns without excessive force (you’ll know if it’s too tough to turn), then go to the next step.

If you don’t want to spend the money on a new battery, use jumper cables from you car (car NOT running), and hook them up. Bridge the 2 poles on top of the starter solenoid to see if the starter works. If the starter spins, in turn spinning the engine freely you can pretty much bet you’re good to go. If you still have doubt, you can always do a compression check then too, just keep the throttle WFO while turning the engine over.

If that all goes well, then clean the carbs and see if it will run on a remote tank. If it runs, check the tank to see if it’s salvageable. If there has been fuel in it all this time, you can pretty much call it FUBAR and will have to source a used one. If it’s been dry all this time you may be in business.

Then proceed from there.

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post #20 of 204 Old 03-08-2018, 11:53 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Quote:
Originally Posted by IanDoohan View Post
Kind of on the heals of what Jay is saying; make sure the engine turns over freely (wrench on the right side small access cover clockwise). Take the plugs out and toss a bit of engine oil or penetrating oil down the holes. Let it sit a bit. Then give it a go with the wrench.

If it turns without excessive force (you’ll know if it’s too tough to turn), then go to the next step.

If you don’t want to spend the money on a new battery, use jumper cables from you car (car NOT running), and hook them up. Bridge the 2 poles on top of the starter solenoid to see if the starter works. If the starter spins, in turn spinning the engine freely you can pretty much bet you’re good to go. If you still have doubt, you can always do a compression check then too, just keep the throttle WFO while turning the engine over.

If that all goes well, then clean the carbs and see if it will run on a remote tank. If it runs, check the tank to see if it’s salvageable. If there has been fuel in it all this time, you can pretty much call it FUBAR and will have to source a used one. If it’s been dry all this time you may be in business.

Then proceed from there.

I feel like a new-used tank is going to be quite costly and difficult to find. I figured I'd be able to salvage it with one of the cleaning, rust removal, and sealer kits that's available on the market. They seem to be nothing more than some nice soap, rust remover, and then colored epoxy.

Alternatively, something like this method:

Last edited by TridenTBoy; 03-09-2018 at 12:20 AM.
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post #21 of 204 Old 03-09-2018, 7:46 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Of course the new-used will be the more expensive route, I added that as a worst case scenario.

I’ve never used a remover, cleaner, sealer. So I can’t comment on that, but I did get a used 96 tank last year not because of a rusty one, but a significant damaged one. I had no choice. I think I paid $175, and it was a bad silver repaint, with poor cleared over, crooked decals.

But they are out there, but buy wisely. Anything over $200 is not a deal.

I stripped mine, with this stuff from HomeDepot. It was biodegradable and supposedly better than “harsher” chemicals. It worked well, needing a few applications, but worked.

The problem was what I found underneath it. Both sides had bondo, and it was in rough shape. So I re-did the bondo’d areas a little better (first time working with body filler ever), and did a quick prime. It’s a metallic blue now on my track bike, but it holds fuel without leaking, so it’s good to go.


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post #22 of 204 Old 03-10-2018, 5:25 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Got the bike today. Removed the fuel tank and emptied it as best as I could. But, with no key... it's kind of hard to do anything. Was expecting some kind of freak sludge to rush out but it was clear gas. Smelled like normal gas. Not sure how I am going to dispose of this stuff.

Any suggestions for how to open the fuel tank without a key? I can jerryrig up some hacky gas thing but I need to get this bike started.

The lithium battery read 0v exactly when I tried to read the DC voltage difference between the terminals... Never seen a battery /that/ dead before. Before I go buy a new battery, how do I get the fuel tank open and how do I get the ignition going?
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post #23 of 204 Old 03-10-2018, 5:43 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

You could try and take the whole gas cap off by removing the three screw's that hold it on. That way you will be able to see inside the tank.




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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

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Originally Posted by chuckhunter View Post
You could try and take the whole gas cap off by removing the three screw's that hold it on. That way you will be able to see inside the tank.




.
Don't think that's possible. There's about 6-8 bolts that hold it on and because of the lock mechanism, it holds onto the plate. I tried a couple not-so-great methods for removing already. At this point, I'm about to get the drill out.
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post #25 of 204 Old 03-10-2018, 5:49 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

There is only three that actually hold it on. The other's are just for show.
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post #26 of 204 Old 03-10-2018, 5:57 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

This might help.
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gas cap.jpg‎   gascap1.jpg‎  

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post #27 of 204 Old 03-10-2018, 6:10 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Quote:
Originally Posted by chuckhunter View Post
This might help.
It doesn't unfortunately. With the way it's setup, it locks inside the gas tank. Even if I loosen the bolts around, that just lets that ring lift up a little bit but that doesn't change the lock mechanism. Very annoying.
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post #28 of 204 Old 03-10-2018, 6:15 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Yes, no way to get it off with out ruining both without the key.

Try this. Pull the ignition out of the triple tree. Check the cylinder for a 3 digit code. It should be stamped into a steel portion of the cylinder. That’s the key code. Go to your Honda dealer and give them the code. They should have a tool to cut you a new key that will then fit everything.

The code is generally a letter with 2 numbers. I.E. D26
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post #29 of 204 Old 03-10-2018, 6:24 PM Thread Starter
 
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

Quote:
Originally Posted by IanDoohan View Post
Yes, no way to get it off with out ruining both without the key.

Try this. Pull the ignition out of the triple tree. Check the cylinder for a 3 digit code. It should be stamped into a steel portion of the cylinder. That’s the key code. Go to your Honda dealer and give them the code. They should have a tool to cut you a new key that will then fit everything.

The code is generally a letter with 2 numbers. I.E. D26
Well, I'm far past that stage. Already took a drill to it. Isn't working... frustrating. Have to drill more, I guess. Honda (auto) dealers around here don't offer new keys for motorcycles. Guy told me to call a honda motorcycle dealer and see if they can order me one... but I'm slightly skeptical. Most places here sell a bunch of bikes and are not really in the business of selling parts.
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post #30 of 204 Old 03-10-2018, 6:29 PM
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Re: Worth reviving a 1993 Honda CBR900RR that's been sitting for four years?

I should have clarified. Yes, you have to go to a Honda Morotcyxle dealer. The auto dealers are just mainly component changers.

The cycle shop should have the means to buy the key blanks and make it happen. That’s the only way to get a key to fit what you have.

Or just ruin everything and get a Chinese replacement of everything.

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