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Author Topic: My 750 k2 build  (Read 5033 times)

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Offline McBain

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Re: My 750 k2 build
« Reply #25 on: March 04, 2016, 11:07:59 PM »
Only one with the whole assembly, I'll get one with a measurement. See how it looks like the wear marks not consistent with were the points are running now?

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Offline McBain

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Re: My 750 k2 build
« Reply #26 on: March 05, 2016, 05:36:17 PM »
19mm from the points plate.

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Offline McBain

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Re: My 750 k2 build
« Reply #27 on: March 10, 2016, 04:50:54 PM »
Does anybody have any advice on putting the tank decals on my k2 ? Measurements ect. Or just put them on where they look correct?

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Offline SOHC4 Cafe Racer Fan

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Re: My 750 k2 build
« Reply #28 on: March 10, 2016, 05:43:03 PM »
Quote from: McBain on March 10, 2016, 04:50:54 PM
Does anybody have any advice on putting the tank decals on my k2 ? Measurements ect. Or just put them on where they look correct?

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Get one on where you like it.  Use painter's tape from fixed reference points to the decal.  Then pull off the tape to get your target and affix the second decal.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline seanbarney41

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Re: My 750 k2 build
« Reply #29 on: March 10, 2016, 06:26:57 PM »
read somewhere here recently someone was having the same problem...turns out, if I remember right, shaft from another smaller bike fits and otherwise functions but is too long.  Just replace it.
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If it works good, it looks good...

Offline McBain

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Re: My 750 k2 build
« Reply #30 on: March 10, 2016, 08:20:07 PM »
Pic of it installed, definitely doesn't look like it is in far enough. I removed the shaft. Total length of 75mm

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Offline Davez134

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Re: My 750 k2 build
« Reply #31 on: March 10, 2016, 09:46:26 PM »
If you don't get an answer before tomorrow, I have one at home I can measure to compare with. I get off work in 11 more hours (but who's counting
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Offline McBain

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Re: My 750 k2 build
« Reply #32 on: March 10, 2016, 11:43:48 PM »
Cheers mate! I think it's correct, but the thread in the crank is damaged so therefore not letting the shaft go in all the way.  And of course the only tap Im missing in my kit is an 8mm.
If you could send me a measurement that would be awesome.

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Offline Davez134

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Re: My 750 k2 build
« Reply #33 on: March 11, 2016, 08:10:34 AM »
Ok, here you go. This one was from a running K2 motor, so I know it's right.
75mm

50mm



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Offline McBain

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Re: My 750 k2 build
« Reply #34 on: March 11, 2016, 01:54:50 PM »
Thanks davez1324, that's the same measurements as mine. Must be damaged internal threads. I'll tap it out today.

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Offline Davez134

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Re: My 750 k2 build
« Reply #35 on: March 11, 2016, 03:30:43 PM »
Be careful with the metal shavings and debris, oil flows back there.
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Offline McBain

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Re: My 750 k2 build
« Reply #36 on: March 13, 2016, 09:28:50 PM »
Tapped out the thread. All good now! Wonder how long the previous owner had been running it like that.
Also blasted my tank today got a very nasty surprise! Looked pretty neat beforehand!

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Offline McBain

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Re: My 750 k2 build
« Reply #37 on: March 13, 2016, 09:38:41 PM »
What do you guys think?  Repair or source a new fuel tank?

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Offline mystic_1

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Re: My 750 k2 build
« Reply #38 on: March 13, 2016, 09:45:07 PM »
That's a shame, looks like someone went after it with a stud gun at some point.

I say it's repairable but it would be a lot of work.  I'd look into sourcing a replacement.

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My build thread:  http://forums.sohc4.net/index.php?topic=68952.0

Offline McBain

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Re: My 750 k2 build
« Reply #39 on: March 13, 2016, 09:50:23 PM »
It definitely looked better with paint on it!

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Offline calj737

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Re: My 750 k2 build
« Reply #40 on: March 14, 2016, 09:31:34 AM »
Quote from: McBain on March 13, 2016, 09:50:23 PM
It definitely looked better with paint on it!
So do many women... ;)

To repair that tank is some work (metal) but I guarantee afterwards that the metal will also tear out due to the severity of the dents/creases. So you'll still have some welding work required, and likely require lining the tank. If you're not up to that, replace the tank.

Quote from: mystic_1 on March 13, 2016, 09:45:07 PM
That's a shame, looks like someone went after it with a stud gun at some point.
Looks to me that someone "brazed" or solder-gobbed some holes prior to bodywork. Studs would usually create lots of high spots and an outward "bowl", not leave the dents behind. Either way, work to be done with that one...

I fixed one worse than that, and I don't think I would again honestly.
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"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline SOHC4 Cafe Racer Fan

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Re: My 750 k2 build
« Reply #41 on: March 14, 2016, 11:56:20 AM »
That metal looks like it has been through a wringer or rather pushed and pulled.

IMHO, I'd source a cleaner looking replacement.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline McBain

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Re: My 750 k2 build
« Reply #42 on: March 14, 2016, 03:37:01 PM »
It's a hard one! Most tanks in Australia seem to be around  $500 for a decent one!

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Offline SOHC4 Cafe Racer Fan

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Re: My 750 k2 build
« Reply #43 on: March 14, 2016, 04:30:13 PM »
Quote from: McBain on March 14, 2016, 03:37:01 PM
It's a hard one! Most tanks in Australia seem to be around  $500 for a decent one!

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Yikes!  Maybe you should ask Terry if he has a spare.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline McBain

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Re: My 750 k2 build
« Reply #44 on: March 14, 2016, 10:36:23 PM »
So I think I'm going to have a bit of a play around with the tank I've got and see what I can do. Luckily I have an extremely good paint and panel guy that helps me out!

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