Topic: Chef's 78 F'er (paint!)

[scottly]

Is a K7 airbox the same as a 78F?

[cheftuskey121]

I also JB welded a nut onto the airbox bottom nut and will wait for that to cure. then hopefully be able to get the bottom off to change the air filter out. i also JB welded the frame-side seat hinge to the pedestal on the side where the stud is sheared off. I was able to get a nut on the other stud. that hinge isnt going anywhere for now. I AM however missing the seat-side hinge....

Part number 7
http://www.cmsnl.com/honda-cb750f-750-super-sport-1978-usa_model7240/partslist/F++15.html#results

[cheftuskey121]

I agree, looks terrible....ha!

Hey I am not afraid to admit it. but the amount of time I spend looking under my lid is very little. this way I can hunt a replacement down

I also received the stator cover. will be getting in touch with Ken, and getting a chrome one soon hopefully! thanks again

[SOHC4 Cafe Racer Fan]

I agree, looks terrible....ha!

Hey I am not afraid to admit it. but the amount of time I spend looking under my lid is very little. this way I can hunt a replacement down

I also received the stator cover. will be getting in touch with Ken, and getting a chrome one soon hopefully! thanks again

Improvise, adapt and overcome!  Your ghetto fabulous solution should work fine until you get the right clip.

[cheftuskey121]

Well the jbwelded but onto the bottom airbox nut was a complete failure. It snapped off instantly. So now that is still stuck in there....why couldn't they have just used wing nuts like the previous models... Not really sure how to go from here. Any suggestions?

[Stev-o]

Have you pulled the airbox? Maybe drill the bolt and try an ez out?

[cheftuskey121]

I have not tried. That's my last resort. From what I remember it's impossible to get my K airbox off without removing the bottom first. I expect it to be similar for this. I'm thinking I'm going to have to cut and mangle the airbox so I can get a wrench it pliers around the nut, need to source another airbox first....

[KayOne]

Hey Chef. I had the same problem. Select the correct metric deep socket (I can't remember what size it is) , put on a long 3/8" extension, grab your propane torch and heat the socket. Carefully fit/plunge the socket over the bolt. A properly heated socket will melt away a minimum amount of plastic to allow socket access. Don't try to remove the bolt while the socket is still hot., just make your plunge and allow the wrench and the plastic to cool.

If careful this method will not butcher the housing. You only have to plunge about 3/8". You can leave the housing as is and use a deep socket in the future, or make a JB weld repair.

Give it a try, Maybe buy a cheap socket so you don't ruin one from your good set.

[cheftuskey121]

Hey Chef. I had the same problem. Select the correct metric deep socket (I can't remember what size it is) , put on a long 3/8" extension, grab your propane torch and heat the socket. Carefully fit/plunge the socket over the bolt. A properly heated socket will melt away a minimum amount of plastic to allow socket access. Don't try to remove the bolt while the socket is still hot., just make your plunge and allow the wrench and the plastic to cool.

If careful this method will not butcher the housing. You only have to plunge about 3/8". You can leave the housing as is and use a deep socket in the future, or make a JB weld repair.

Give it a try, Maybe buy a cheap socket so you don't ruin one from your good set.

Thanks Kay one this is exactly what I was looking for. Will pick up a deep well today and give it a shot!

[seanbarney41]

I'd just take a shorty flathead screwdriver and wedge it in there between the nut and the airbox...might give you enough holding power to loosen the bolt.

[cheftuskey121]

I'd just take a shorty flathead screwdriver and wedge it in there between the nut and the airbox...might give you enough holding power to loosen the bolt.

I've tried that seanbarney, the gap isn't large enough to get a screwdriver in there yet. I'm going to try that again anyway but in thinking the heat and deep socket will work. It works on my guitars setting the string ferrules into the painted body with a soldering iron. This is just bigger scale

[KayOne]

Chef, use a thin wall socket to minimize the amount of plastic melted away.

[cheftuskey121]

thanks again KayOne! worked an absolute treat. airbox right on the bike and everything. held the socket with a pair of vice grips and heated the socket until the tip  glowed red. sunk it right in until I got a grip and BAM, was able to get it loose. best part is I didnt create any holes in the airbox, I just have a little sunken well to get my nut out next time the ORIGINAL filter was in there. not TOO bad but I put in a new filter.

mounted up my superbike bars.....you guys weren't joking they are comfortable as crap. perfect for this bike, it leans me forward just enough without straining my back.

[Stev-o]

Pics of the bars or it didn't happen

[KayOne]

Awesome Chef. You must have better vision than me to be able to do this with the box on the bike! Glad things worked out and you are on your way to the next task. BTW, NICE BIKE.

[cheftuskey121]

here is the result of the hot socket



and here is the air filter. PO probably couldnt get the airbox off, haha





and a terrible shot of the new bars. crowded in here with two bikes, considering one of them barely rolls.



today will be oil change, oil filter, spark plugs and valves. still waiting on my sprockets, chain, clutch cable and throttle cables.

[Bankerdanny]

I really liked the superbike bars on my 550 (although mine might actually have been Euro bars, which are not quite the same profile). Look great, and give you just enough forward lean that you don't feel like a sail on the highway. That said, I am very glad I installed a windscreen for the 1400 miles I did during Relay Rally I.

[cheftuskey121]

agreed bakerdanny. I do have a set of clubmans I am picking up just to try, I have never sat on a bike with them. curious.

one issue so far. I am pretty sure I know what the problem is (although there are a few different ways it could be happening)

Cylinder one is not firing at all. number 3 and 4 are hot as can be, number 2 is hot but less hot, number 1 is stone cold when running. my first guess is carbs carbs carbs. I have not taken them off for cleaning yet....waiting on my oem gaskets and accelerator pump.

I dropped in fresh plugs as well and am waiting delivery of the pamco kit I installed on Yolanda. I am also getting new boots and clamps. between the carbs, boots/clamps, and ignition I should have it covered right

any speculation before I get in there as to what could be the cause of only ONE cylinder not firing?

[Stev-o]

Check spark, if none on #, could be spark plug caps.....buy all new. They are only about $5 ea. and trim the coil wire about a quarter inch before installing the new, so you get a good connection.

http://www.cb750supply.com/products/5/electrical/36/ignition-systems-coils-plugs-switches

[cheftuskey121]

Funny thing. Went into the garage and fired her up. Man is it nice to be so easy to fire. Just touch the solenoid posts with a screwdriver and she roars to life. Well this time ALL cylinders were firing. Odd. Also had some whitish smoke out of the pipe. Not dark. Didn't look blue. My assumption is water and crud in the #1 pipe from not heating up and firing before.

Stevo part of the pamco ultimate includes new wires and caps. It's all getting changed.  So I'm baffled. I guess there's a short somewhere that jiggling the bike fixed. Going to do new harness new clean wires and connectors everywhere so it's moot. Just updating as I see things. Thanks for reading.

[Stev-o]

White smoke at start up is usually burn off of condensation, no issue.

Check your blue and yellw wires under the tank...

[pamcopete]

agreed bakerdanny. I do have a set of clubmans I am picking up just to try, I have never sat on a bike with them. curious.

one issue so far. I am pretty sure I know what the problem is (although there are a few different ways it could be happening)

Cylinder one is not firing at all. number 3 and 4 are hot as can be, number 2 is hot but less hot, number 1 is stone cold when running. my first guess is carbs carbs carbs. I have not taken them off for cleaning yet....waiting on my oem gaskets and accelerator pump.

I dropped in fresh plugs as well and am waiting delivery of the pamco kit I installed on Yolanda. I am also getting new boots and clamps. between the carbs, boots/clamps, and ignition I should have it covered right

any speculation before I get in there as to what could be the cause of only ONE cylinder not firing?

Drain each carb bowl. If #1 has no gas, that's the problem. Probably a stuck float needle. When they get old they form a groove that gets stuck in the opening where the fuel enters the bowl.

[cheftuskey121]

haven't done too much here yet. waiting on OEM carb gaskets. did receive my new sprockets and chain, clutch cable, and throttle cables. not really going to do too much. not planning on running her through the winter. hopefully all goes well with my "new" engine on the K1 and I will just start stripping the F down.....need a name for her!

I know she runs, rides, shifts, and brakes well so no worries there! I bought an F tank from Bill, it arrived and looks crusty. haha. I want to keep ALL original parts in case I switch back or sell and someone wants original. gotta PM franken and get some sidecovers, I bought another front fender for $32 shipped on ebay today. going to shorten it and paint.

[seanbarney41]

suggestion...since your k1 has likely become a relatively long term project, why make life hard by trying to have 2 at once?  You live in Savannah Georgia.  Why not get the thing running and riding quick and enjoy your mild weather all winter, all the while, working  on your K1.  The f is already a sporty little number, so any major cosmetic mods are superfulous.  Plenty of improvements can be made during the course of a weekend.  Just an idea...that's how I would do it.

[Stev-o]

suggestion...since your k1 has likely become a relatively long term project, why make life hard by trying to have 2 at once?  You live in Savannah Georgia.  Why not get the thing running and riding quick and enjoy your mild weather all winter, all the while, working  on your K1.  The f is already a sporty little number, so any major cosmetic mods are superfulous.  Plenty of improvements can be made during the course of a weekend.  Just an idea...that's how I would do it.

Great idea sean, +1.  Make it a "rideable restore"....