Hi Urgent Nissan Motor repair

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collespaccato

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May 1, 2011
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I'm located in London Ontario. I have a Nissan 25hp four stroke NSFA 2003 serial # 030776XC.
I noticed a hose connector broke off on the vacuum?? section of the top carb (see picture) and the motor has been slamming into gear. I'm in a bind to repair this and the closest Nissan dealer is a hundred miles away and a manual is a week away for delivery. The reason for the rush is I'm an escort inflatable for a swim across Lake DSC02172.JPGOntario this Friday for a charity.
The broken plastic part in the picture comes off the serrated brass ferrule on the block. The dealer is a having a replacement part sent to me direct courier and I'm not sure what to expect. I tried to budge the brass ferrule (which looks like it was moulded right into the black plastic)

Any help or a picture from manual will be helpful.

Thanks Collespaccato
 
pvanv

pvanv

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Re: Hi Urgent Nissan Motor repair

collespaccato said:
I'm located in London Ontario. I have a Nissan 25hp four stroke NSFA 2003 serial # 030776XC.
I noticed a hose connector broke off on the vacuum?? section of the top carb (see picture) and the motor has been slamming into gear. I'm in a bind to repair this and the closest Nissan dealer is a hundred miles away and a manual is a week away for delivery. The reason for the rush is I'm an escort inflatable for a swim across Lake View attachment 109925Ontario this Friday for a charity.
The broken plastic part in the picture comes off the serrated brass ferrule on the block. The dealer is a having a replacement part sent to me direct courier and I'm not sure what to expect. I tried to budge the brass ferrule (which looks like it was moulded right into the black plastic)

Any help or a picture from manual will be helpful.

Thanks Collespaccato
Click to expand...

That's a crankcase equalization fitting. It presses into the block. That should not affect your shifting, but if your idle is too fast, that would.
 
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collespaccato

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Messages
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Re: Hi Urgent Nissan Motor repair

Thank you for the replies. Yes Paul it does fit into the block and the only solution from the dealer was to buy a new carburetor at $240.00 and change plus labor. I brought it to my auto mechanic and we 'jury rigged' the tubing back onto the ferrule with windshield washer fitting. I tested it with the muffs for a good 1/2 hour at high and low revs with no issues. I'm not sure if this arrangement is kosher but it seems to be working.
I think the link broke when I was re-installing the cowling.
I thought having to replace an entire carb for a small plastic fitting though is a bit over the top but is that what you would recommend?
Thanks again Paul and Tohatsu Guru.
Collespaccato
 
TOHATSU GURU

TOHATSU GURU

Admiral
Joined
Jul 22, 2004
Messages
6,164
Re: Hi Urgent Nissan Motor repair

You can either do the correct thing, new carb, or the BS repair on the carb. Personally I wouldn't do the BS repair because of liability, but some people do and sometimes it does work.
 
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collespaccato

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Joined
May 1, 2011
Messages
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Re: Hi Urgent Nissan Motor repair

Yes I agree. I also believe the designers at Tohatsu/Nissan could have created a more field serviceable design that doesn't require trashing a perfectly good carb for a 50 cent piece of plastic. Creating a legit 'repair' kit would have been a more customer friendly approach intended to keep me on the water and not in the repair shop.
 
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