My FZR250 3LN Renovation and Question Thread

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Thu Dec 20, 2012 10:51 pm

Getting there.... :grinnod:

Finally got the time to do a little engine clean.......now I can start some serious reassembly.....If I can put down the beer,drag myself off the lounge and walk outside from the air conditioning. :drink:


........maybe tommorrow :whistle

Before...

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After,after,after

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1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
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http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Sun Dec 30, 2012 6:59 am

Starting to look more like a motorsickle....... ClapHands

Image

Image

Image

Image

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1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

SouthendChris
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Re: My FZR250 3LN Renovation and Question Thread

Postby SouthendChris » Tue Jan 01, 2013 7:03 pm

That looks great.......but inside I am crying... :duh:

For some reason I thought you was going to do the frame black like the swingarm. Would've looked killer :notworthy:

Still proper good job thought mate. I hope to do a full stripdown and rebuild of my 3LN next year - full on midnight scheme lol

Keep up the good work and I hope you get to put plenty of miles on it in 2013.

Chris
1990 3LN3 FZR250 - back in safe hands :)
https://farm6.staticflickr.com/5782/227 ... 41e9_b.jpg
1994 3HE FZR600 - R.I.P. 10/01/12

3x RG80 Gamma :)

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Wed Jan 02, 2013 12:23 am

Cheers mate......

I would have done alot more if time and money allowed it.......Im a big fan of all black bikes also (and cars!) :thumbsup:

I have a spare frame,subframe,wheels etc and when Im inspired Ill probably do the black thing with them............I also have a spare engine which I want to strip down to learn a bit more. :grinnod:
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
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http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Tue Jan 15, 2013 5:06 am

So Im rushing this thing together before I lose the rego on it.

I got it to the point of startup......once the fuel got thru it started fine and revved up ok ....but after about 5 minutes of smooth running it now starts fine but just sits at idle RPM......choke makes no difference and turning the throttle does nothing...except if u let it off then the motor dies.

Now I havnt touched the carbs as it ran just fine before dismantling the bike and I just wanted it to run enough to get it to the bike shop and back.......which it was initially today but suddenly not!

Any idea why it would suddenly change? banghead

Fuel pump is priming ok
I wired the exup open but no change.
Choke worked initially now it has no effect
Im running it with just the "pull" throttle cable as Im waiting on the "push" cable to come in the post.....would this effect the operation of the carbs?

Edit: just ran it for a few minutes again and no.4 header is cold :swear

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1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

elmwood
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Re: My FZR250 3LN Renovation and Question Thread

Postby elmwood » Tue Jan 15, 2013 7:41 am

Fingers crossed you get her running ok, as you've done a great restoration job so far.

SouthendChris
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Re: My FZR250 3LN Renovation and Question Thread

Postby SouthendChris » Tue Jan 15, 2013 3:37 pm

Could just be a bad plug (you do get bad ones - even new) or the cap. Cuta short bit of the HT lead off and re-screw the cap onto the lead.

I get the bad feeling my 3LN3 head gasket is a goner banghead getting hard to start now and lots of white smoke today :drink:

Looks like I'm going to be pulling it off the road befoe I had planned.

Chris
1990 3LN3 FZR250 - back in safe hands :)
https://farm6.staticflickr.com/5782/227 ... 41e9_b.jpg
1994 3HE FZR600 - R.I.P. 10/01/12

3x RG80 Gamma :)

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Wed Jan 16, 2013 1:16 am

Bloody bikes and women....so unpredictable and can never understand them..... :twisted:

I spent all day finishing other things (chain,sprockets,brake lights,gear lever,rear caliper yada yada yada) then decided to try and start her up.....first go and revved like mad banghead

All I did was pull the cap off no4 and push it back on earlier....maybe it wasnt on properly...... :whistle ...who knows

I had already cut a small piece off each lead and reseated the caps during the rebuild but I will buy a couple of xtra plugs t/m as I still think no4 header wasnt anywhere near as hot.

The other PIA is a small coolant leak (always use new o rings bonkonhead )

Edit: ..and a leak from under the tank connection :drink:

:deadhorse:

:thumbsup:
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

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http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Fri Jan 18, 2013 4:59 am

So I was planning a test ride today but alas I have zero front brakes......
Fluid isnt pumping out of the master......theres no blokages as theres air from both bleed nipple tubes but thats all.....took off the banjo at the master and nothing there either...looks like a master cylinder dismantle banghead

The intermittent "no revs" issue is still happening....I think its fuel starvation as I can hear the fuel pump screaming for mercy just before it cuts out.
Can someone with a 250 3LN please tell me the destination of the 3 fuel lines from the petcock, as per my other thread....as this may be my problem as the lines are all new,filter new and when fuel seems to get there it revs strongly and for long periods (as it did most of today when i was setting up the EXUP cables etc.)

http://fzronline.com/forum/viewtopic.php?f=2&t=10352

This bike is really starting to piss me off...I guess working all day on it in 40C heat doesnt help. :swear
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Fri Jan 18, 2013 11:18 pm

sorted the master....the tiny breather hole inside was blocked.....at least now have pressure on the lever albeit spongy as

:dots:
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Sat Jan 19, 2013 1:33 am

Well managed a couple of klms up the road and back.....pulled like stink untill u had to slow to nothing to turn around,then it went back to just "idle" even rolling the throttle to full .....I had to wait 10/15 minutes before it would start with the full rev range......then it came back home like a scolded cat :yikes: ...but did the same when I had to turn to come inside the driveway.

F*****G ANNOYING! :shutup:

From this...



to this...

1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Tue Jan 22, 2013 7:58 pm

Seems Im talking to myself here but anyway...... :whistle

Now finally re-registered :thumbsup:

Shop said it was running on 3 cylinders so a bit more fettling required still .
(Rear cowlings paint still incomplete)

Image
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Wed Feb 20, 2013 1:50 am

Image

Image

Image
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

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GreyImport
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Re: My FZR250 3LN Renovation and Question Thread

Postby GreyImport » Sat Feb 23, 2013 8:14 am

Image
1990 FZR250R 3LN1
1977 Triumph Bonneville 750 T140V
Image

Image
http://2fiftycc.com/index.php
EMAIL: greyimport@2fiftycc.com

LiteTek Carburettor Seal Kits
http://www.litetek.co/index.html

fzrfixer
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Re: My FZR250 3LN Renovation and Question Thread

Postby fzrfixer » Sat Jun 15, 2013 7:36 am

What size tyres did you fit ?
back looks wider
bike looks great :thumbsup:


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