Joey, will give it a go and report back. Thanks, Scot
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Joey Kelley
Sent: Thursday, April 14, 2011 5:16 PM
To: [email protected]
Subject: Re: [Nighthawk Lovers] 1983 CB550 17,850 miles
Scott,
I have safely used a whole 16 oz can of SeaFoam in my 3.2
Gallon tanked NH - that having been said - it did idle weird - run
rough etc. I would suggest about a half a can to a tank - thats twice
the recommended 'maintenance' dosage on the can.
-Joey
On Thu, Apr 14, 2011 at 7:26 PM, Scott McKinley
<[email protected]>
wrote:
So a shop order would be adjust the carbs: 1) set needles, and 2)
sync? On
my tank of about 3.2 gallons (per manual), how much SeaFoam would
you use?
Thanks,
Scott
From: [email protected]
[mailto:[email protected]] On Behalf Of Allen Thomas
Sent: Wednesday, April 13, 2011 5:10 AM
To: Nightwawk Lovers
Subject: Re: [Nighthawk Lovers] 1983 CB550 17,850 miles
A carb sync can never hurt the bike, and might just make it run
better.
However I'm going to stick with my thoughts that you're carbs are
a bit
gummed up. I would run two tanks of seafoam treated gas through
it. Then
adjust the carb needles, then sync them.
Sent via BlackBerry by AT&T
________________________________
From: "Scott McKinley" <[email protected]>
Sender: [email protected]
Date: Tue, 12 Apr 2011 23:01:32 -0700
To: <[email protected]>
ReplyTo: [email protected]
Subject: RE: [Nighthawk Lovers] 1983 CB550 17,850 miles
When the measurements were taken the bike had been turned off for
about 30
seconds, on kick stand, and readings taken with Ryobi laser temp
gun. I
have
previously taken readings on center stand and warmed up at idle.
The same
differential exists then. Thanks to those providing responses.
From: [email protected]
[mailto:[email protected]] On Behalf Of Allen Thomas
Sent: Tuesday, April 12, 2011 4:44 PM
To: Nightwawk Lovers
Subject: Re: [Nighthawk Lovers] 1983 CB550 17,850 miles
True that might make the right hand side run leaner from a float
level
difference.
Sent via BlackBerry by AT&T
________________________________
From: Kyle Munz <[email protected]>
Sender: [email protected]
Date: Tue, 12 Apr 2011 14:51:24 -0500
To: <[email protected]>
ReplyTo: [email protected]
Subject: Re: [Nighthawk Lovers] 1983 CB550 17,850 miles
Definitely the 4cyls one coil fires 1 and 4 and the other fires 2
and 3.
Is
the bike on the sidestand while the measurements are being taken?
-Kyle
On Tue, Apr 12, 2011 at 2:25 PM, Joey Kelley <[email protected]>
wrote:
Allen,
You could be right - thats why I asked :-)
(The 450 was easy - two cylinders, two coils....)
Anybody know that for certain?
-Joey
On Tue, Apr 12, 2011 at 3:23 PM, Allen Thomas
<[email protected]>
wrote:
Pretty sure one coil drives cylinders 1&4 and the other 2&3.
Sent via BlackBerry by AT&T
-----Original Message-----
From: Joey Kelley <[email protected]>
Sender: [email protected]
Date: Tue, 12 Apr 2011 10:24:27
To: <[email protected]>
Reply-To: [email protected]
Subject: Re: [Nighthawk Lovers] 1983 CB550 17,850 miles
Scott,
I'm wondering if it might be ignition related - just a guess
here but if it has a two coil ignition system (I assume it does)
there
is the potential to have one coil going bad, affecting two
cylinders,
but not the other two.
I wouldn't think you'd have a 20 degree difference between
the
exhaust pipes under normal circumstances.
Full disclosure - I don't have a 4 cylinder NH - anyone
want to
confirm / deny my thinking here?
-Joey
On Mon, Apr 11, 2011 at 9:25 PM, Scott McKinley
<[email protected]>
wrote:
The exhaust pipe temperatures read when sitting on the bike:
L to Right:
149
147
129
121
Power seems a little low at less than 3000 rpm, but above
doesn’t miss
and
has plenty of power. Carburetors worked about 100 miles ago,
use Seafoam
over winter and ride about every two weeks for about an hour.
Starts
easy
and idles without a problem once warmed up. Do I need to sync
carbs or ?
Thanks for any advise,
Scott
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