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Author Topic: The Stock Bike  (Read 13131 times)

Offline jpmobius

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Re: The Stock Bike
« Reply #40 on: Jun 23, 2015, 22:59:17 »
Making some progress.  Sharp eyes will note the polished upper triple.  That got changed to another painted black and the polished triple will have to find a home elsewhere!  The rear drive hub is masked off because I am going to polish the center and I already painted it.  And that chrome ring is a vanity trim for the 500 hub on the side that has no disc.  There is quite a bit of time in those fork legs smoothing out all the casting parting lines, and some may notice the missing fender brace mounts.  Since I trimmed down the fender, it no longer needs the front braces, so I removed the no longer needed mounts on the front of the fork legs.
« Last Edit: Jun 23, 2015, 23:06:45 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #41 on: Jun 23, 2015, 23:08:43 »
Got the new front wheel built.  19” rim.  No idea why the disc is not bolted on in this pic – must have run out of beer!  That is a stock RD350 disc with holes drilled in it - sort of an old school pattern, but I didn't want it to look like a modern bike anywhere.
« Last Edit: Jun 23, 2015, 23:11:25 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #42 on: Jun 23, 2015, 23:30:20 »
These bits are ready to go to the chrome shop.  I have learned that if you make your parts look like they are already chromed when you take them, you have a much better chance of accepting them when they try to give them back!  These are nearly the only chrome parts on the bike aside from the headlight ring and a few other bits here and there.  Most everything else is stainless steel.
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline Ryan Stecken

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Re: The Stock Bike
« Reply #43 on: Jun 24, 2015, 05:33:30 »
This build already looks so perfect!keep it coming jp!

Offline jpmobius

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Re: The Stock Bike
« Reply #44 on: Jun 24, 2015, 20:28:07 »
Thanks Ryan.  There are a lot of gaps, but I'll post what I have!
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #45 on: Jun 24, 2015, 20:28:53 »
Ok, a lot of progress all at once.  A lot of this is still a mock up, but quite a few bits are there for good.  Lots of stuff I wish I had photographed and detailed, but didn’t.  Front end is assembled with tapered rollers and is fairly complete.  Engine in.  Got the rear wheel assembled.  Swing arm is installed – one of the things I really wish I had documented. 
« Last Edit: Jun 24, 2015, 21:15:30 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #46 on: Jun 24, 2015, 20:31:59 »
 Front mounts have been modified to use 4 12 mm bolts instead of the 2 long 8 mm stock ones.  Engine cases are threaded to accept the bolts.  Other engine mountings are stock.  You can see how the cylinder head mating surfaces have been milled flat in this shot.  Stock cylinders have a recess for the copper head gasket.
« Last Edit: Jun 24, 2015, 21:16:48 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #47 on: Jun 24, 2015, 20:41:14 »
This is a fairly good shot of the smoothed out side covers and the right side foot peg and rear brake pedal.  This pedal is a bit shorter to match the slight re-positioning of the foot peg.  It is also rather a great deal different than the stock piece, as the original goes above the foot peg, while the new one goes below.  Making it was a lot like making the side stand – it is a moving part that has to not conflict with anything else, so it is a good deal of trouble constantly re-installing it with everything else in its permanent position to test the operation while making it.  It started out as the factory piece, but got bent to fit the new situation and then cut shorter and had the original foot pad welded back on.

The sharp eyed RD gurus will notice a different electrical connector coming from the alternator.  The ignition and lighting system is from a Banshee.
« Last Edit: Jun 24, 2015, 20:44:03 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #48 on: Jun 24, 2015, 20:45:46 »
I made up some little stainless bits to clean up the brake mechanism.  Wanted to eliminate the spring and visible threads on the actuating rod.  The pinch bolt on the crank arm was stripped and I didn't realize it before having it chromed, so I made a little stainless sleeve and fixed it with a bolt and nut rather than making up another one.
« Last Edit: Jun 24, 2015, 20:56:46 by jpmobius »
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline jpmobius

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Re: The Stock Bike
« Reply #49 on: Jun 24, 2015, 20:51:26 »
Shifter side.  Not much to see here except the smoothed over side cover.  The shifter pedal is long per the owner’s request.  Actually super easy to make – it is stock (!)– made longer due to the peg being farther back.  I find the bike a bit awkward to ride because of it, but not as much as you might think.  Also obviously using a temporary side stand.
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0