79 Honda CM400T - Nerdsports Racer - SHE'S DONE!!

Re: 79 Honda CM400T - Nerdsports Racer

So I got two bolts on each side for the CB400 peg braces. Need to shave the back of the right side so it sits flush rather than using a spacer on the swingarm bolt. In addition, I'll be adding a third mounting point so it's triangulated. In any case - pictures.

Right (pretty much the same as my last post lol)
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Left
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And an extra pic. I made this little build board for the project.
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Re: 79 Honda CM400T - Nerdsports Racer

Adding a third mounting point for the peg braces
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Picked up all black UNI pods
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Finally fabricated the seat tail/frame. Went with an angular frame to match the blockiness of the tank.
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Mounted it but still needs support. Trying to find a way to keep it empty/clean underneath.
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Another angle
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Re: 79 Honda CM400T - Nerdsports Racer

I'm not sure which I like more, the tank or your fridge. But they're both great. I do like how the subframe is shaping up.
 
Re: 79 Honda CM400T - Nerdsports Racer

The stance (minus the seat padding which will be ~2-2.5" thick)
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Shots of the final tail structure. Surprisingly sturdy.
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Battery arrived. (not crazy about Stella, only beer I had at home for size comparison lol)
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Currently working on the fuel tank. Welded up the petcock hole and going to add 2 feed tubes from either side of the tank going to a 2-1 fuel cut off valve. Also need to remove the rust inside the tank. I've heard vinegar works well just takes some time.
 
Re: 79 Honda CM400T - Nerdsports Racer

I'm using the same battery in my CM400, and the 12 cell in my R65. Great battery.
 
Re: 79 Honda CM400T - Nerdsports Racer

jetted, podded and exhaust make those lil engines rip. Nice vision!
 
Re: 79 Honda CM400T - Nerdsports Racer

dude, way to take a horrid, ugly frame and transform it into that! my buddy's got the same bike, and i tried to talk him into doing something similar, but he wouldn't go for it. i gotta show him this to see what it could be!
 
Re: 79 Honda CM400T - Nerdsports Racer

Now that I am finishing up my build I am wishing I had "had the balls" to chop into the frame like you have. You sure did strip the ugly off.

At first I was a little put off by the hard edged rear hoop, falling into the "Expected Norm" of a Round hoop. But as I have looked at this thread and the tank I am really getting it now. The hoop really compliments the hard edges and angles of the 500 tank.

I sure hope you have plans to put a cool alloy or chrome flip type cap on the tank .

Good work
 
Re: 79 Honda CM400T - Nerdsports Racer

Frankenfe said:
I sure hope you have plans to put a cool alloy or chrome flip type cap on the tank .

Good work

All the flip caps I've seen are $100+ and I'm trying to keep costs down since there's still plenty of work to do. I was gonna go with a 2.5" knurled aluminum cap.
 
Re: 79 Honda CM400T - Nerdsports Racer

Time to clean out this tank.
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Before
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About 2 hours in...
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Unfortunately I forgot the after pic - I'll get one tonight.

Here's the bump I shaped out of foam. The Ballistic EVO2 4 cell is underneath with the starter relay. I never planned for a bump this big but plans change... I guess it's more of a cafe racer now, huh? =\
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And covered in foil tape. Although I will be changing it a little. Looks terrible from the back, not wide enough on top...
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Carb gasket kit came in.
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Re: 79 Honda CM400T - Nerdsports Racer

7aliveatlast7 said:
how'd you go about cleaning the tank, is that vinegar?

Just poured white distilled vinegar into the tank. Let it sit for a day or two. Make sure the tank has no leaks (you'll surely find them though lol). Afterwards just drain the vinegar and wash out the tank. I used some pumice hand soap and water to agitate any rust that was still on the metal. I sprayed WD40 inside the tank to coat it from rusting again until I seal it up.
 
Re: 79 Honda CM400T - Nerdsports Racer

What product do you use to seal? Kreme? I'm digging that subframe. Think that's the way I'm going on my bike. Haven't decided if I should do the monoshock or not. So many choices right?
 
Re: 79 Honda CM400T - Nerdsports Racer

longhorn717 said:
What product do you use to seal? Kreme? I'm digging that subframe. Think that's the way I'm going on my bike. Haven't decided if I should do the monoshock or not. So many choices right?

I've heard good things about POR15. I still need to research it a little more honestly.
 
Re: 79 Honda CM400T - Nerdsports Racer

nerdsports said:
I've heard good things about POR15. I still need to research it a little more honestly.

Thumbs up here. Far better than Kreem as far as its durability and longevity, according to my reading. Set aside a day to do it, though, and follow the instructions to the letter.
 
Re: 79 Honda CM400T - Nerdsports Racer

Nice job man! Bookmarked for sure.
Looks really good with that tank on, cant wait to see what it looks like finished :)
 
Re: 79 Honda CM400T - Nerdsports Racer

I use red kote on all my tanks,you can pick it up at any auto supply.
 
Re: 79 Honda CM400T - Nerdsports Racer

First time laying fiberglass. Excuse the crapiness.
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This is after the second coat and some sanding to smoothen out the uneven finish.
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Still needs another layer or 2, then body filler to get it smooth. Also making a seat pan that'll go over the fiberglass so the seat pan and fiberglass tail are separate pieces. Ordered a new coil because the wires on the original one were hard and a little short for the new coil placement. Also have some rearset parts coming in.
 
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