Yanmar dnepr project thread

On-going, finished, abandoned builds & questions galore..

Moderators: Dan J, Stuart, Diesel Dave, Crazymanneil

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Mon Jan 17, 2011 10:21 am

pietenpol2002 wrote:Is it an optical illusion, or are you running that without a flywheel?
Yes, the original flywheel is not attached, I am using the Dnepr flywheel/clutch basket at the other end of the crank.
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Mon Jan 17, 2011 1:37 pm

sbrumby wrote:White smoke 100% injection timeing too far retarded.
but could worn out fuel pump do this?
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

User avatar
coachgeo
I luv the smell of Diesel...
Posts: 1997
Joined: Sun Feb 22, 2009 6:00 am
Location: USA Ohio, Above Cincinnati, Close to Dayton

Re: Yanmar dnepr project thread

Post by coachgeo » Mon Jan 17, 2011 3:28 pm

kapis wrote:
sbrumby wrote:White smoke 100% injection timeing too far retarded.
but could worn out fuel pump do this?
Are you refering to the Injection pump or the fuel pump

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Mon Jan 17, 2011 3:32 pm

coachgeo wrote:
kapis wrote:
sbrumby wrote:White smoke 100% injection timeing too far retarded.
but could worn out fuel pump do this?
Are you refering to the Injection pump or the fuel pump
:D probably to injection pump, as thats the only pump on these engines
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Mon Jul 18, 2011 6:44 am

Hi mates, long time no see :D I was off for work , etc, etc, but now I have little spare time now and then.
So yesterday I finaly put together my little Yanmar engine and it fired right up. Here's the vid:

http://www.youtube.com/watch?v=jr9vdP77i_E

So I guess that I'm back at the building process :D
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Thu Sep 15, 2011 2:00 pm

Hi, a little update ;)

Hrm.. let the pics speak:
DSC00310.JPG
Aligning things up
DSC00318.JPG
fittings to hold the Vulcan front fork:
DSC00320.JPG
Lots of space under the gas tank to fit 7Ah battery and regulator/rectifier:
DSC00321.JPG
Accu box and regulator:
DSC00332.JPG

Fitting a Vulcan stator to the engine:
DSC00348.JPG
Parts for the Vulcan generator rotor:
DSC00342.JPG
Friend welding all the parts together:
DSC00352.JPG
Engine and fan test assembly:
DSC00357.JPG

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Thu Sep 15, 2011 2:02 pm

And the pics of semi completed bike, there is still some things to be done - but it's on the finish lino now!!!! :shock: :D :) :) :) :)
DSC00369.jpg
DSC00370.jpg
DSC00371.jpg
DSC00372.jpg
DSC00373.jpg
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

HondaJohn
I luv the smell of Diesel...
Posts: 136
Joined: Fri Jul 16, 2010 2:21 pm
Location: Upstate New York

Re: Yanmar dnepr project thread

Post by HondaJohn » Thu Sep 15, 2011 11:42 pm

That really came together well! Where did you find the donor bike?

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Fri Sep 16, 2011 5:20 am

The frame, seat, gearbox and rear wheel is frm 1974 russian Dnepr.
The front fork, wheel, fender and brakes are from 1988 Kawasaki Vulcan 1500.
Handlebars are harley aftermarket, rear fender is from russian bike called IZ Jupiter (pic: http://static1.fotoalbum.ee/fotoalbum/1 ... 1eb0e3.jpg)

The Russian bikes and particularly Dneprs are really cheap here in Latvia, one can get running bike for 200$ :)

Hope to finish the bike this weekend, and then will post a vid of it running :)

Cheers!
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

User avatar
Dougy
I luv the smell of Diesel...
Posts: 215
Joined: Fri Nov 12, 2010 3:22 pm
Location: Southport, UK

Re: Yanmar dnepr project thread

Post by Dougy » Fri Sep 16, 2011 9:52 am

I re read your thread over the last few days mate and I'm very impressed :) you've done a fantastic job on that engine and transmission, the over-all style of the bike is really cool too 8) can't wait to see some vids of it's test runs :) .
IGNORE THE RATTLE AND ENJOY THE RIDE

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Sun Sep 18, 2011 6:19 pm

so, as I promised - here is the vid of the first test run : http://www.youtube.com/watch?v=L8VaJF5ocys (sorry for the low quality, the video was taken by phone).

Now the sad thing is that the engine ran very good last time i tried (here is the vid of the engine prior to mounting it on the bike: http://www.youtube.com/watch?v=jr9vdP77i_E&NR=1), but now it was very difficult to start and when started - the engine blowed white smoke, - then I removed the adjusting shim that comes under the high pressure pump, and now the engine starts good when warm , still very difficult to start when cold and the there is still some bluish/white smoke coming out from exhaust, but I can not advance ignition any more because there is no more shims to remove :(

maybe some of you had similar problems and can suggest what could be done to fix this? and what went wrong with the engine standing on the shelf?
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

numuzmar
Been here a while now..
Posts: 29
Joined: Wed Nov 14, 2012 7:46 am
Location: Ukraine

Re: Yanmar dnepr project thread

Post by numuzmar » Tue Jan 22, 2013 8:19 am

kapis any updates so far? it's been a while from you posted last time :(

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Tue Jan 22, 2013 9:04 am

Unfortunately - NO. Bike now sits in workshops top shelf and collects dust but I am not done with it :D Now I am slowly modernizing my workshop - already got big mill and lathe and many other tools - I think that I will go other direction - I will take one piston/rod assembly from VW 1.6 litre engine, machine crankcase, head myself. I understand that this is a complex task but I have plenty of time :D
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

numuzmar
Been here a while now..
Posts: 29
Joined: Wed Nov 14, 2012 7:46 am
Location: Ukraine

Re: Yanmar dnepr project thread

Post by numuzmar » Tue Jan 22, 2013 9:24 am

wow that's what I call ambitious! but what is the point of "inventing of bicycle" :D water cooling? eventually you get 400cc engine.
how much you drove on this yanamar engine ? (i mean in miles\kilometers).

p.s. maybe you speak russian? and thank you for replying, you're project is very interesting to me :D

User avatar
kapis
Been here a while now..
Posts: 35
Joined: Thu Sep 30, 2010 6:47 am
Location: Latvia

Re: Yanmar dnepr project thread

Post by kapis » Tue Jan 22, 2013 9:53 am

Yes, I speak russian. The point is not the water cooling - I rather have it air cooled for simplicity. The main reason is the IDI layout witch gives me more rpm (closer to gasoline) and I thin that I can make it more compact but that is in my dreams right now - lets see how these thoughts evolve over time.
___________________________________
Riding: Kawasaki Vulcan 1500 B.U.B.F.
Building: Dnepr Yanmar L90

Post Reply