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I finally took possession of my father's 1981 Honda CBX. Originally purchased as a low-mile demo bike, this has more-or-less been in his possession since it was new. There was a brief period in 84 when he sold it to the dealer when finances got tight, but he bought it back 16 months later. And even though the dealer's son rode it around, the title was never transferred so it's still technically a single owner bike. Dad stopped riding in 1988 for various reasons and let the bike sit. And sit. In 2005 he got a wild hair and decided to get her back in road-worthy condition. After 6 months of de-clogging and balancing carbs, rebuilding shocks, and fixing various other bits it was running pretty well and managed to see about 14 months of frequent usage. By end-season 2007 dad got lazy, drained the carbs, and let it sit in a nasty garage. So here is where she stands. The known todo list includes de-rust of the tank, tires, battery, rebuild front shocks, un-stick throttle, rebuild front and rear brake master cylinders, and the fuel cap needs a seal. I'm sure there is more that will come up but for now that's enough. The good part is the last time it was running, dad spent a lot of time going over various technical bits. He checked and shimmed all the valves, worked on the alternator, rebuilt the Prolink bushings, and other various things. So (fingers crossed) most things, including everything inside the motor should be in good shape. My goal immediately is to get it ridable. Once she's running I can begin the long, arduous process of making it shiny and newish again. I think first step will be reading a lot. Second step is figuring out how to deal with the tank. On to pictures! The arrival  Finally in garage  Crusty engine 
Rusty tank  Bike supposedly has ~30k on her. It seems that the dealer's son took a spill and wiped out the odometer during the short time it was sold. The title says Milage Exempt so it's basically impossible to really know.  I love the OEM bags. Makes me feel like I'm carrying my things but in the future!  Random parts, and the last tag my dad used while it was still registered in the bike's home state.  New sprocket and spare chain. Supposedly different # of teeth to make taller gearing.  Side panels need cleaning  Just a random corner shot  Various parts and tools. A 90 degree geared screwdriver? Cool!  Current status  Now for the bonus cool stuff! I also got a FedEx box full of all old documents and goodies. Here's a quick glimpse. Books!  Quick look inside the shop manual  Supplemental documentation  A patch! <3  A bunch of various fiche pages  ICOA flyer  Welcome letter to the International CBX Owners Association along with a hand written message about an optional seat.  Big-bore kit? Hmmmm  I couldn't find evidence of even a prototype being built.  Maintenance schedule  Finally, sheet to record valve checks  And because someone requested this, here are some shots of the brakes. Not sure if this is what was wanted. Let me know if there's something else you'd like me to show.     Motorcycle goals: 
No. 6 fucked around with this message at 19:40 on Dec 25, 2016 |
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Dec 25, 2016 19:36
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Quick update: I bought some of this to (hopefully) assist in getting the throttle cable to function better  Also I found this container full of extra parts along with all my other goodies. Some good stuff here!   I started prepping the tank for a de-rust job and tried to remove the old fuel screen only to have it crumble. Needless to say it wasn't fun trying to fish the remains out of the tank.  Also cleaned up those filthy side panels. They have some small cracks but are in decent shape.  To take care of the tank I decided I want to try a combination of Evaporust and gently swirling around assorted nuts and bolts. I'm waiting on my order of Evaporust and still trying to decide what to use to seal the tank with. Anyone have suggestions?
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Jan 6, 2017 04:46
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Quick update. With my marriage falling apart I've found I have a lot more time for motorcycle stuff. Silver linings! Evaporust arrived!  Went out for a group ride with a great bunch yesterday and ended up riding and hanging out for about 12 hours total. Ended up talking to some really knowledgeable chaps who know CBXs pretty well. The overall advice I was given was that the carbs really need to come off for a good cleaning and inspection before I try to do anything else. The problem is there isn't a simple way to do this with the CBX. The procedure involves tilting the engine forward. Got up this morning and watched James May reassemble a Honda monkey bike which got my blood flowing. https://www.youtube.com/watch?v=_3R4pstLlqE Decided to start tearing down the CBX and pull the carbs. This is something my father swore up and down never to do. gently caress it Opening the cubby hole storage I found some extras  Parts laid out after a couple of hours. The good news is that the headers look pretty good. Guess I only really need to replace the cans.  Starting to look a bit slimmer [   Let's look at the bitch's dirty holes 1, 2, and 3 seem normal  4, and 5 seem ok. My concern is with 6. It looks, for lack of a better term, oily.  So I'm gonna take the carbs to a local specialist since I know dickall currently on rebuilding them. This guy is a 60+ year old master tech for Honda and likes to mentor us 'young' people. Next steps, clean carbs, de-rust and seal tank, rebuild brakes, check valves, clean things up, and figure out if cyl 6 needs attention. No. 6 fucked around with this message at 00:02 on Jan 16, 2017 |
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Jan 15, 2017 23:31
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Just to be clear, it's all the greybeards telling me to yank the carbs. In addition it seems that I certainly will need to pull the head for valve stem seals. Before i do that i want to get a compression and leak-down test done just to see where we are. Now I'm off to shop for more tools. Probably nothing going on until next weekend but Feb is looking good. The soon-to-be ex will be out of town all month so i can go hog wild in the garage without concern for noise. Lots of stuff to do before my self-imposed April deadline to get running.
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Jan 21, 2017 18:00
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Thats the plan. I don't want to mess with linkages at all.
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Jan 22, 2017 14:52
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