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superdream cb400n carburetor synchronization

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wargamesuk
Two Stroke Sniffer



Joined: 14 Apr 2008
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PostPosted: 14:30 - 21 Feb 2011    Post subject: superdream cb400n carburetor synchronization Reply with quote
hi does any one know what tools i need to do
cb400n carburetor synchronization
and where u plus the pipes in from synchronization tool Sick
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 14:40 - 21 Feb 2011    Post subject: Reply with quote
Hi

If I remember rightly on the CB400N there are a pair of cross headed screws in the inlets between the engine and the cylinder head (one on each inlet). You unscrew those and screw in an adapter piece which the vacuum gauges can then connect to.

All the best

Keith
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hellbound
World Chat Champion



Joined: 15 Jan 2011
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PostPosted: 15:12 - 21 Feb 2011    Post subject: Reply with quote
https://www.carbtune.com/


you need one of these too.....if you haven't got one
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wargamesuk
Two Stroke Sniffer



Joined: 14 Apr 2008
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PostPosted: 15:21 - 21 Feb 2011    Post subject: yes Reply with quote
yes got 1 of those
Carbtune Pro but only for 2 carbs
but lost the plugs
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wargamesuk
Two Stroke Sniffer



Joined: 14 Apr 2008
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PostPosted: 15:37 - 21 Feb 2011    Post subject: k&n Reply with quote
one more thing going to put K&N fillets on my CB400N
as i can not find the pipes from the air box to the carbs
new pipes
but the shop said i have to change the jet two 115
he said the main jet is 1.08 but in the book the main jet is 0.78
and the secordry is 1.08
so where do i put the new jet or do i have to change both jets main and secordry
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wargamesuk
Two Stroke Sniffer



Joined: 14 Apr 2008
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PostPosted: 12:51 - 22 Feb 2011    Post subject: new pair of hoses Reply with quote
honda have stoped making them
new pair of hoses
look on ebay and on line but can not find any
what do u mean
self destructing engine
what will happen ?
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Scotsman37
World Chat Champion



Joined: 17 Aug 2004
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PostPosted: 13:52 - 22 Feb 2011    Post subject: Reply with quote
I guess you'll have to check around the bike breakers for a salvaged part for replacing the missing air duct/tube from the Air cleaner housing to the carb unit, as I can't see it on ebay and oem sellers either Europe or USA due to it being discontinued part due to the age of the bike!
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Scotsman37
World Chat Champion



Joined: 17 Aug 2004
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PostPosted: 15:32 - 22 Feb 2011    Post subject: Reply with quote
Vincent wrote:
Are the hoses part of the airbox on those bikes?


Looks like it was sold as a part replacement for the air box itself and so I guess you'll have to get it from a breaker as complete unit instead or will allow the air tubes/ducts to be sold seperately, as that was once orderable in the past on it's own, but not anymore due to it being discontinued!

Last edited by Scotsman37 on 15:38 - 22 Feb 2011; edited 2 times in total
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 15:37 - 22 Feb 2011    Post subject: Reply with quote
Vincent wrote:
Are the hoses part of the airbox on those bikes?


Looking on CMSNL it looks like the hoses aren't separate but part of the airbox.

Might be possible to make up a section from silicone tube.

All the best

Keith
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wargamesuk
Two Stroke Sniffer



Joined: 14 Apr 2008
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PostPosted: 16:56 - 22 Feb 2011    Post subject: the hoses Reply with quote
the hoses do come off
but if it put k&N fillers on what do the air screw at
in the book it`s on 1.5 thats with the hoses on air box
do i put it up or down ?
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Old Thread Alert!

The last post was made 14 years, 330 days ago. Instead of replying here, would creating a new thread be more useful?
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