stuart_g
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| posted on 22/1/08 at 08:20 PM |
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MNR exhaust manifold fitting
I am trying to fit the exhaust manifold to my 5VY R1 motor. I have fiddled with this for hours now over a few days and can't get it to fit any
better than this. I think I must be doing something wrong. All of the pipes are seated squarely in their ports but the manifold looks at a strange
angle, it seems to be pointing upwards and outwards. I can't get the pipes to go very far into the collector either, at most I can get them in
3/4 to 1 inch, is this right.
I have taken some pics, please tell me if this looks right or wrong.
 
Rescued attachment P1000370.JPG
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stuart_g
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| posted on 22/1/08 at 08:21 PM |
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And from the side
 
Rescued attachment P1000371.JPG
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worX
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| posted on 23/1/08 at 06:18 AM |
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Hi Stuart.
I've sent you a U2U!
Steve
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Davey D
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| posted on 23/1/08 at 09:27 AM |
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Have you been heating up the 4 - 1 section, as it looks a different colour to the rest?
Ive got the 4 - 2 - 1 from MNR. i have fitted the 4 pipes to the engine, but i havent fitted the collector section to see what angle it sits at. ive
had it all polished up, and the inside of the collectors smoothed so that it all fits together a bit easier, as before i couldnt push any of the 4
pipes in 
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stuart_g
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| posted on 23/1/08 at 10:31 AM |
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quote:
Originally posted by Davey D
Have you been heating up the 4 - 1 section, as it looks a different colour to the rest?
Ive got the 4 - 2 - 1 from MNR. i have fitted the 4 pipes to the engine, but i havent fitted the collector section to see what angle it sits at. ive
had it all polished up, and the inside of the collectors smoothed so that it all fits together a bit easier, as before i couldnt push any of the 4
pipes in
The exhaust is exactly how it came from MNR, I haven't heated any of it. It's a good idea to smooth the collector pipes, they do go on
individually but are tight as I would expect, It may aid assembly though if they are smoothed, I'll give it a go.
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neilj37
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| posted on 23/1/08 at 12:43 PM |
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Got to say it doesn't look right to me. Is the engine cradle seated properly?
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marc n
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| posted on 23/1/08 at 03:46 PM |
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hi stuart
the whole assembly needs slackening slightly then pushing down which then should also bring exhaust in at same time
dont remove too much material from collector ( exhaust wont seal correctly ) should be tight ( then use a block of wood over the collector and a
mallet to knock on
best regards
marc
please email rather than u2u
direct workshop email ( manned 8am till 6pm )
www.mnrltd.co.uk enquireys to :-
chrismnrltd@btinternet.com
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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locoR1
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| posted on 24/1/08 at 07:46 AM |
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Hi Stuart,
Sorry cant help with your manifold but looking at the second picture it looks like you've fitted your oil pressure sender directly into the oil
cooler bolt.
It needs to be remotely mounted on a flexi pipe the high frequency vibration of a bike engine will kill it in no time!
P.S i found out the hard way 
Dave....
 
Description
Check out my CB500T Cafe Racer build diary
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stuart_g
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| posted on 24/1/08 at 06:12 PM |
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thanks for the advice Dave. Where did you get your flexi pipe from?
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locoR1
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| posted on 24/1/08 at 07:38 PM |
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Most hydraulic hose suppliers will make you one up to the length and fittings you want. yellow pages would be a good place to look for one local to
you.
My hose just appeared in my bag one day when i got home from work i have no idea how it got there 
Description
Check out my CB500T Cafe Racer build diary
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