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Post by speedfourjoe on Sept 1, 2008 9:53:17 GMT -5
I picked up this non-running 1968 Yamaha YR2 350 the other day for almost nothing. I figured that if anything I'd part it on ebay and maybe make a small profit, and also save another bike from going to scrap metal. But, I'm really starting to like the thing, and have always wanted a street 2-stroke, so am thinking of possibly putting it back on the road someday. An original type restoration would likely cost a fortune, but a resto/mod might not be too bad. Maybe a cafe' build. Anyone have any experience with these, or know any online sources for information? Here it is right after unloading from the truck.  |
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Post by manxman on Sept 1, 2008 19:17:27 GMT -5
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Post by wotavidone on Sept 1, 2008 21:29:43 GMT -5
Mate, that needs to be restored. Wouldn't cost thaaaat much! Seriously, it'd have to be rare enough and tasty enough to be worthwhile.
Do everything but the chrome yourself, only takes lots of patience and a little bit of thinking.
There has been a couple of articles in an Oz magazine called Motorcycle trader about "rider restos"
Essentially, if the engine/gearbox all works and you are only going to use it for the odd nice spring day or club run, don't mess with the engine.
Apparently you can get some fairly benign types of vapour/soda blasting done that can do a halfway decent clean of the engine without disassembly.
That leaves painting, plating and replacement of consumables. Give it a go mate - I reckon you will be pleasantly surprised at how it comes up.
Mick
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Post by colinjay on Sept 2, 2008 2:22:08 GMT -5
I agree with Mick, a bike that complete deserves restoring. I have seen a couple of early Yamaha twins at classic events here in SA, and they attract a fair bit of attention,so they can't be very common these days.
CJ
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Post by speedfourjoe on Sept 3, 2008 19:19:56 GMT -5
Thanks for the feedback.
The bike hasn't been ran since the 80s, so the engine is stuck from sitting. I did remove the heads, and it doesn't look too bad, but will likely need a bore job. Good news, it is standard bore now, so it shouldn't be a problem to do as long as I can get pistons. I drained the crankcase oil, and no water in it. I lifted up the fork boots, and the chrome on the tubes looks excellent. So far, it looks to be a nice project.
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Post by wotavidone on Sept 4, 2008 2:21:26 GMT -5
There ya go mate. Get the barrels and heads bead blasted while you have them off, clean the crankcases by hand, put some fresh gearbox oil in her, bolt the heads and barrels back on and away ya go!
Its gonna look sweet and everyone will walk past the plastic fantastic sports bikes to take a look at it!
Mick
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Post by davedunsboro on Sept 4, 2008 8:10:00 GMT -5
Definately worth restoring as is (I'd just get it going first & clean it up ,then assess it )Keep you ear to the ground as you may be able to source some parts ,then you can decide what way to go ! Cheers Dave.
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Post by caferacercarl on Sept 5, 2008 3:31:15 GMT -5
The left hand crank seal will fail shortly after firing it up and about 30k's, and will seize the left cylinder, and when you replace that the right hand one will go and the right pot will blow clouds of smoke, all methods of blasting send grit to places never seen by man, ask stew ross!!, those articles in the m/c trader are the laughing stock of all good bike mechanics around australia, [ spanner is a journo ,not a mechanic] PRO X in the netherlands will give you pistons, seals, bearings etc, any yammy dealer can check the "dead stock list" its global and free!! but choose a dealer thats been around for at least 25 years as they are the only type who help. cheers.
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