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Author Topic: Yamaha SR250 - A clean standard build  (Read 108380 times)

Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #720 on: Dec 18, 2016, 03:38:58 »
The right side I am 100% happy with, the fitment is spot on - including the leading and trailing edges and their 'door gaps' haha.  Now comes the arduous task of prepping for paint - body filler, sanding, spray putty, sanding, primer, paint  ;D

Offline doc_rot

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Re: Yamaha SR250 - A clean standard build
« Reply #721 on: Dec 21, 2016, 03:24:53 »
looks nice, are you still planning on producing these?
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'78 KZ1000  Project

'80 KZ750 Twin Project

Offline Eleganten

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Re: Yamaha SR250 - A clean standard build
« Reply #722 on: Dec 21, 2016, 17:38:31 »
A tip, buy 2K spray plaster from Hagmans in a can, not a spray can, like a paint bucket. They have it at Mekonomen. It's great to work with and will save you a lot of time and money! I used it during my bachelor project. Straight in soft polyurethane foam without any other plaster and it worked like a charm. You can even apply it with a paintbrush in thick layers and get a good result.


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Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #723 on: Dec 22, 2016, 01:33:46 »
A tip, buy 2K spray plaster from Hagmans in a can, not a spray can, like a paint bucket. They have it at Mekonomen. It's great to work with and will save you a lot of time and money! I used it during my bachelor project. Straight in soft polyurethane foam without any other plaster and it worked like a charm. You can even apply it with a paintbrush in thick layers and get a good result.

Man, thanks for the sweet tip!  I was thinking I was going to have to lay a thin coat of filler over the whole surface but that would have been a nightmare to sand even.  I will get me some of that instead!

Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #724 on: Dec 22, 2016, 01:35:47 »
looks nice, are you still planning on producing these?

Yeah for sure, but maybe not for some time.  Unfortunately will and passion do not equate to funds!  Yet  ;)  I have a pretty good contact for vacuum forming as well, so it will either be finer glass or that, depending on the quotes I get back.

Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #725 on: Jan 13, 2017, 14:15:02 »
Before any further work on the bike or development of new parts, a rebuild of the 3D printer was needed - long over due.  I have no kind of counter of any sort but I can imagine this thing has run for 100's of hours and I have gone through over 8kg of plastic filament in 18 months!  Always feels good to get stuck into your own equipment and do the maintenance you should.  Nothing like that freshly rebuilt feeling!  Hopefully gonna feel that with this bike soon too  ;D

Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #726 on: Feb 14, 2017, 15:43:45 »
Shit, got the 'Warning: this topic has not been posted in for at least 30 days.' text, bad sign!  If anyone is interested, I wrote a blog post about surviving the Swedish winter here:  https://www.jadusmotorcycleparts.com/single-post/2017/02/06/Swedish-Winter-Survival-Tips

I got the riding itch on the weekend and decided to go for a little ride, despite the temperature being -2  :o  But the sun was shining and we had blue skies, so I went on a wee mission to find this 2K spray plaster from Hagmans at Mekonomen that Eleganten suggested.  They didn't have it  :'(  But they had this other stuff that I decided to give a go.  Seems to be alrite, I'll just need to sand and reapply a few times.

One thing I have managed to do though is design the SR stickers completely and order some vinyl cuts in chrome vinyl.  I reckon they looks the tits.  Suit the bike at least anyway - now I have very small amounts of chrome just as accents in various places of the bike - the way chrome should be used ;)  (read, dig at the chopper boys).  I ordered a few extra and will chuck them up on the webshop shortly and see if there is any interest for them.  I assume they would look cool on the 'big' SR's too  ;D

Offline Eleganten

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Re: Yamaha SR250 - A clean standard build
« Reply #727 on: Feb 15, 2017, 19:51:04 »
The sprayplaster you got is, as far as I know, one of the best you can get over the counter in Sweden. The one I was talking about sometimes have to be ordered in advance, which I think I might have forgotten to mention since I didn't have to. Sorry about that. The 2K version I meant will work better than the one you got if you have issues with the current one.


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Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #728 on: Feb 16, 2017, 15:52:36 »
The sprayplaster you got is, as far as I know, one of the best you can get over the counter in Sweden.

Yeah it was a shame they didn't have the 2k one, but you are right, the stuff I ended up getting is pretty damn good anyways  :D

Hopefully get them shaped up pretty nice next week.

Offline JadusMotorcycleParts

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Re: Yamaha SR250 - A clean standard build
« Reply #729 on: Mar 01, 2017, 16:33:24 »
Things are shaping up pretty good with the side covers!  After a few nights of sanding and thick coats of that spray filler, they are ready for top coat - hoping to do that over the coming weekend.

I managed to get the covers to fit and attach to the frame really nicely with some small frame clamp brackets and some neodymium magnets - photos to come soon.  This keeps a completely flush look on the covers - even if the brackets do show a bit on the frame.  Once I get some riding on it I will decide if they stay or not - after all, the bike still looks pretty clean without them.

I have actually pencilled in a date with a photographer friend to take some studio-ish photos of this beast in a few weeks - so I better be damn finished by then!  Now that the engine covers are on and the oil filter changed, all that is left is to hook up the carb, tune it, fill her up with oil and crank it.  Oh yeah, plus these damn side covers  ;)