Well, it turns out the original sin was a sticky petcock vacuum valve.
A rebuild kit (K&L 18-5245) appears to have completely resolved the
problem.
However, my electrical tangent -- "new" ignition switch, new plug
wires, cleaned contacts, and a coil relay -- has the engine purring
like a buttered falcon (or something like that...). I'll try to put
together a diagram/writeup of my electrical mods. In the interim,
I'll just recommend the the Littelfuse HWB18 as a replacement
weather-sealed fuse/relay holder.
Cheers,
-ntd
On 03/06/2016 12:37 AM, Neil Dantam wrote:
I can confirm that Honda Part #35101-MN4-010 (base contact from late
80's CBR600F) fits the 90's CB750s. The switch housings are identical.
The CBR600F switch has six wire soldered to contacts while the CB750
switch has only two wires for the connected. Parts bin indeed...
The new switch made a dramatic difference. Idle and lights are
noticeably stronger. Still a little slow to warm up, but perhaps that
is now because it's been sitting in the garage the past month :/.
Also FWIW, it is possible to snap open the base contact and sandpaper
the contact surfaces. However, in attempting to do so, I lost one of
the internal ball bearings off in the great beyond, so do exercise
caution if attempting.
Cheers,
-ntd
On Saturday, February 27, 2016 at 9:26:58 AM UTC-6, Kurt Nolte wrote:
You'll have to let us know what part number you tried and how well
it works.
On Feb 26, 2016 4:08 AM, "Neil Dantam" <[email protected]
<javascript:>> wrote:
On 02/25/2016 04:48 PM, Kurt Nolte wrote:
Honda likes using parts from the bin for different bikes,
despite a
different part number.
I wouldn't be surprised to discover a 90s CBR base contact
would fit,
and just have too many wires/alternate contacts.
Well, I found a NOS part on ebay that /looks/ like it'll fit. We
shall see...
The control box grounds the coils' primary windings, and
breaks ground
to fire them. Any vehicle with coils doesn't have true capacitor
discharge ignition; the whole point of CapacitorDI was to
ditch the
coils, after all.
CDI can _also_ stand for "computerized direct ignition,"
which is
another name for any engine firing scheme without a
distributor but
still using coils and some sort of pickup.
Thanks for the explanation. I guess CDI must mean something
different in Honda's dictionary.
Cheers,
-ntd
--
You received this message because you are subscribed to the
Google Groups "Nighthawk Motorcycle Lovers!" group.
To unsubscribe from this group and stop receiving emails from
it, send an email to [email protected]
<javascript:>.
To post to this group, send email to
[email protected] <javascript:>.
Visit this group at
https://groups.google.com/group/nighthawk_lovers
<https://groups.google.com/group/nighthawk_lovers>.
For more options, visit https://groups.google.com/d/optout
<https://groups.google.com/d/optout>.
--
You received this message because you are subscribed to a topic in the
Google Groups "Nighthawk Motorcycle Lovers!" group.
To unsubscribe from this topic, visit
https://groups.google.com/d/topic/nighthawk_lovers/pqfhiXghUE4/unsubscribe.
To unsubscribe from this group and all its topics, send an email to
[email protected]
<mailto:[email protected]>.
To post to this group, send email to [email protected]
<mailto:[email protected]>.
Visit this group at https://groups.google.com/group/nighthawk_lovers.
For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups "Nighthawk
Motorcycle Lovers!" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/nighthawk_lovers.
For more options, visit https://groups.google.com/d/optout.
