Author Topic: MrFry's CB750 Cafe Project Thread  (Read 38490 times)

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Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #50 on: February 28, 2007, 11:32:32 PM »
another update before i head to the land of slumber (hold me i'm scared)...
stripped the Glisten PC off the tank with the paint stripper (see pic)

...i get my strippers at the local Home Depot
instead of 'bubbling' this time is slid off the tank in sheets - found that odd

went through the wetsand process again - even though i probably didn't need to; the paint stripper left the tank in the same condition it was before i painted it
started at 800, went to 1000, 1500, 2000 and then went to the buffing wheel
started with the *ahem* brown bar, then wen to the *ahem* white bar (i know someone will help me with what they are - i'm to damn tired to think right now
the pictures are after the white bar. I didn't use any 'metal polish' this time and it came out quite nice
last time i only went to 1000 grit (it was all i could find) before i started the buffing wheel.


please keep in mind that those pictures were taken without 'metal polish'


some pictures of the scratches i was talking about earlier




oh, and i attempted to push the large dent out with my pry bar - but it just wasn't happening
i'm bringing the tank with me to work tomorrow - see if i can get some estimates to take that dent out

Offline KB02

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Re: MrFry's CB750 Cafe Project Thread
« Reply #51 on: March 01, 2007, 06:16:40 AM »
Lookin' good again with that crap off!!   ;D

I consider myself fortunate that happen to know a Body shop guy locally that specifically works on bike. The one time that I could have used him, though, the tank was dented so badly - in a place that he really couldn't reach - he wasn't able to do the job without drill... and he said he didn't want to do that on a gas tank... I didn't blame him.
1978 CB750K Project
2000 Ducati ST2
...and a pedal bike

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My project thread Part I: K8 Project "Parts Bike"
My project thread Part II: Finishing (yeah, right) touches on Project "Parts Bike"

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #52 on: March 01, 2007, 10:41:21 PM »
ahhh, got my shine back
been working my ass off trying to get it ready for powdercoat this weekend.

there are a few deep scratches that aren't going to be easy to get out - plus the dents; and i figure, the bike isn't perfect, why should the tank be any different?

once i go through and rebuild the bike - then i will make it perfect.

finally some pictures of it mounted on the frame...



one thing i didn't realize is how much shorter this tank is compared to the old one...




i'd really like to stretch this tank - but unfortunately i don't have the resources to do it right now.

yes, i realize my seat is wrapped in duct tape... thank you PO
seat is going to be replaced, so don't you fret
just emailed BCR today actually

Offline xtalon

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Re: MrFry's CB750 Cafe Project Thread
« Reply #53 on: March 02, 2007, 06:36:36 AM »
Looks great.  Good luck with the dent.  I hope you get it out because it takes away from all your hard working sanding and polishing.

--xTalon
1976 Honda CB750K
2006 Yamaha R6v
2009 Ducati SportsClassic Bi-posto

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #54 on: March 02, 2007, 10:32:39 AM »
well poo!

i keep looking at that side profile pic of the bike with the new tank on it

just doesn't look right  :(


Offline dagersh

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Re: MrFry's CB750 Cafe Project Thread
« Reply #55 on: March 02, 2007, 03:02:52 PM »
Mr. Fry,

Try this method for the dent.  I don't think it will work with a crease, and I cannot tell from the pics if you have one.  Maybe try a warm room with indirect heat gun flow in place of the sun.  Member Number 13 posted this a while back.

http://www.gadgetjq.com/dentremoval.htm

HTH

Gersh
1962 CA95
1966 Black Bomber
1966 CA77 Dream
1967 Superhawk
1970 CB750K0
1972 CL350
1972 CB450/500 Custom
1972 CB500K1
1975 CB550F
1976 CB400F
1975 CB750 Future Restoration
1976 CB750K6
1976 CB750F
1976 GL1000


1968 Suzuki T500 Cobra
1990 BMW K1
2001 'Busa
2003 RC 51
Bunch of Guzzi's

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Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #56 on: March 02, 2007, 04:55:58 PM »
Mr. Fry,

Try this method for the dent.  I don't think it will work with a crease, and I cannot tell from the pics if you have one.  Maybe try a warm room with indirect heat gun flow in place of the sun.  Member Number 13 posted this a while back.

http://www.gadgetjq.com/dentremoval.htm

HTH

Gersh

it's sunny out here in california, so i figured i'd give this a try.
the results...












wait for it





















waaaaaiiiittt for it















NADA!!! ZIP!!! ZULCH!!!


before---->
before---->

after---->
after---->

but i did have some fun with it though  ;D
i'd burn myself with hot water, then burn myself again with the dry ice (not on purpose)
« Last Edit: March 02, 2007, 04:59:30 PM by MrFry »

Offline Roach Carver

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Re: MrFry's CB750 Cafe Project Thread
« Reply #57 on: March 02, 2007, 04:59:24 PM »
I wonder if a body shop could use one of those tools that spot welds the little metal rods on and then use a slide hammer to ease it out. The tank looks great with the exception of one small round depression ;).

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #58 on: March 02, 2007, 05:07:53 PM »
I wonder if a body shop could use one of those tools that spot welds the little metal rods on and then use a slide hammer to ease it out. The tank looks great with the exception of one small round depression ;).
yeah, i think that is my next option
hopefully i can grind the weld flat without it leaving any marks

there are a few pinhole dents around the entire tank, they just aren't showing up in the pictures
« Last Edit: March 02, 2007, 05:13:28 PM by MrFry »

Offline Slapguts

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Re: MrFry's CB750 Cafe Project Thread
« Reply #59 on: March 02, 2007, 08:01:17 PM »
Fill it with water, toss it in the freezer for awhile. Bike painter friend uses this trick all the time.
Current-
'76 CB550 Cafe project

Past-
'98 Triumph Speed Triple-Stolen
'76 CB750 Cafe Racer-Sold
'78 CB400T Crash Victim-Traded for a tattoo

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #60 on: March 02, 2007, 09:45:54 PM »
Fill it with water, toss it in the freezer for awhile. Bike painter friend uses this trick all the time.
yeah i thought about that... turns out my freezer is full of food
food that is not my own to be unfrozen

:-(

Offline xtalon

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Re: MrFry's CB750 Cafe Project Thread
« Reply #61 on: March 03, 2007, 10:20:32 AM »
Fill it with water, toss it in the freezer for awhile. Bike painter friend uses this trick all the time.
yeah i thought about that... turns out my freezer is full of food
food that is not my own to be unfrozen

:-(

Sneak it into your local grocery store's frozen food section.   ;D

Seriously though, it's a good idea, but I think I would be a little scared to try this for fear of the tank popping at a seam rather than popping the dent out.

--xTalon
1976 Honda CB750K
2006 Yamaha R6v
2009 Ducati SportsClassic Bi-posto

Wayne Grauel

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Re: MrFry's CB750 Cafe Project Thread
« Reply #62 on: March 03, 2007, 12:49:06 PM »

Dude... How cool is that Gauge!...  Also the tank is incredible!!!  (hope the sealer works)

And tell me about slick garage floors. I built a 30*60 and the guy that Helped me...  I paid him and I helped him   :)

Anyway, they told me that to keep my concrete from cracking and drying out to coat it down with Thompsons water sealer.. so away I went with several 5 gallon buckets   squeegeed it all over the place and let her sit and cure....
...
MAN... do I ever kick myself for doing that..

Especially when it snows.. get in there and any snow blows in - or the slightest water on the deck and you can have your feet go out from under you and  bust your A%$.

Don't know what to do about that... I've lived with it for 10 years now...       anyway... cool bike!

Wayne

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #63 on: March 03, 2007, 01:38:47 PM »
yeah, i think the dent is going to stay
like i said... the bike isn't perfect - why should the tank be any different?

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #64 on: March 03, 2007, 04:12:58 PM »
UPDATE
it looks like the motorcycle shop didn't get a full shipment in - so i didn't get any of my parts  :(

that left me to piddle around on the bike - and polish the tank a bit more

while trying to clean the right-rear shock i accidently knicked the exhaust with the wire wheel - and it took the paint right off!
looks like the PO did a #$%*e job repainting the exhaust after he re-welded it.

so i figured i'd see what it would look like without paint - answer, not good.
i think it would look a lot better if it had good chrome on it, but this was tarnished and pitted.

any idea how much kerker would sell a muffler for? i think it would look great if it was fresh and new.

oh, and when i pulled the muffler off - this was sitting in the pipe, not attached to anything


looks like the PO tried to make a his own baffle  ??? ??? ???
   either way, that's not going back in. I like my bikes like my women - loud and naked!  ;)
i can't decide if i want to wrap the headers in black, or polish them up.   <--any suggestions?

really didn't get much done today though, cleaned up the wheels a bit, stared at the front end - trying to convince myself to take the wheel off, cleaned the shocks, stripped the muffler.

found a source for another caliper though - dual disk conversion, here i come!!!

Offline mrblasty

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Re: MrFry's CB750 Cafe Project Thread
« Reply #65 on: March 04, 2007, 10:40:50 PM »
I like the look of the black header wrap, I would talk to a local tin bender and see if they can roll you another cone section and replace rot, kerker pipes are expensive, any update on the tach lead from trail tech?  Today I installed my coils with the new suppression core wires some tim this week I'll hook up my vapor to test the tach feature.
That tank is looking good.
I farted and made my son cry.
1973 Honda CB 750
1975 GL 1000
1975 Yamaha XS650 The Swamp Donkey

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #66 on: March 05, 2007, 08:35:49 AM »
I like the look of the black header wrap, I would talk to a local tin bender and see if they can roll you another cone section and replace rot, kerker pipes are expensive, any update on the tach lead from trail tech?  Today I installed my coils with the new suppression core wires some tim this week I'll hook up my vapor to test the tach feature.
That tank is looking good.
they claimed they sent the tach lead  on February 23rd... i have yet to see it, and it usually only takes a couple days from Washington (where they are) to here.
they should be sending me another package with the Temp Lead & Tach Lead again today - we shall see.

tin bender eh?  i can't say i've ever heard of one of these, where can they be found?
sorry - still waking up at that point. Just gotta find someone who bends sheet metal around here

yeah i think the header wrap will look better than polished/tarnished/rusting pipes

« Last Edit: March 05, 2007, 09:57:32 AM by MrFry »

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #67 on: March 05, 2007, 01:58:37 PM »
ok, i just contacted Kerker (supertrapp) about a replacement muffler
MSRP for the shell (they sell them as parts) is $239.55
...youch
anyone know of any other mufflers i can fit onto their headers?

Offline mrblasty

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Re: MrFry's CB750 Cafe Project Thread
« Reply #68 on: March 05, 2007, 02:45:20 PM »
I'm not sure of any direct replacements but a muffler shop should be able to stretch any opening to fit. Some guys I know buy generic baffles and exhaust tips from the local parts store and make their own mufflers, they sound pretty good once you figure out how much glass to pack in there.
I farted and made my son cry.
1973 Honda CB 750
1975 GL 1000
1975 Yamaha XS650 The Swamp Donkey

Offline mlinder

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Re: MrFry's CB750 Cafe Project Thread
« Reply #69 on: March 05, 2007, 02:55:58 PM »
A cherry bomb would kick ass.... And they are cheap!
No.


Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #70 on: March 05, 2007, 03:09:54 PM »
i'd like to do a straight-through muffler. Never liked the looks of the cherry-bombs though (at least not the ones i've seen at the local auto-parts store).
for the time being it looks like i'll proabably just paint the thing black again and ride it till i can justify buying a replacement for it.

on another note, i may have figure out my seat situation.
i know Pro-Teal is selling a BCR seat, but from the looks of it, it won't polish up well (seams, etc.)
soo after contacting a local Auto-Upholstery shop, if i make a  seat pan, they will make me a full covered seat for about $150ish.

similiar to ..>
not exactly what i wanted, but i think it will still look good.


Offline Blaize

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Re: MrFry's CB750 Cafe Project Thread
« Reply #71 on: March 05, 2007, 11:06:19 PM »
Dude jump on that! all the local trim shops around here (seattle) have quoted me from $3-400 just to pad and cover an airtech cafe seat, one of the fiberglass ones with the half buble at the rear. Drives me nuts every time I get on this forum and one of you guys has pictures of somthing beautifull done for half that.
Living the American dream (in England).

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #72 on: March 06, 2007, 11:35:17 PM »
ok, so a friend came up with an 'interesting' idea for the dent in my tank
-figured i'd see what your opinions were about it

basically i would cut a hole around the dent, and make a "port-hole" for the fuel
perhaps out of a modern sport-bike gas cap.

yes, no?

Offline mrblasty

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Re: MrFry's CB750 Cafe Project Thread
« Reply #73 on: March 06, 2007, 11:47:51 PM »
It might compromise fuel capacity, I think the dent would look better than a modern gas cap on this bike. Think about gas on the
"boys", doesn't sound like fun.
I farted and made my son cry.
1973 Honda CB 750
1975 GL 1000
1975 Yamaha XS650 The Swamp Donkey

Offline MrFry

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Re: MrFry's CB750 Cafe Project Thread
« Reply #74 on: March 06, 2007, 11:58:39 PM »
It might compromise fuel capacity, I think the dent would look better than a modern gas cap on this bike. Think about gas on the
"boys", doesn't sound like fun.
haha good point
the idea would be to use the flange off a modern gas cap - and modify it to have a window of some sort
like a porthole