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Author Topic: '74 CB 360 Cafe Build - Luna - "Done"!  (Read 76851 times)

Offline advCo

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #10 on: Nov 13, 2014, 09:00:04 »
Question for those of you with engine overhaul experience - this machine has about 9,000 miles logged on the odometer. I was planning on pulling the engine to clean and detail it regardless, but with this amount of miles on the bike would you guys still recommend breaking down the block, replacing gaskets, checking the internals, making all the mods/adjustments I've read here?

I'm not afraid of a challenge by any means - just looking for some opinions.
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline Sonreir

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #11 on: Nov 13, 2014, 13:08:49 »
If compression is good and the engine isn't leaking, I'd avoid creating problems where you don't have them.  Might be worth removing the head and checking the cam chain tensioners and overall health, but I wouldn't mess with the bottom end (aside from the oil filter and pickup) unless you need to.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline trek97

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #12 on: Nov 13, 2014, 20:01:30 »
If compression is good and the engine isn't leaking, I'd avoid creating problems where you don't have them.  Might be worth removing the head and checking the cam chain tensioners and overall health, but I wouldn't mess with the bottom end (aside from the oil filter and pickup) unless you need to.

+1  and as long as you got the right cover open to clean filter cup. DEFINITLEY get a new o-ring for oil cup BEFORE you open it.  they are cheap from the honda shop. 

 I would consider new clutch discs and heavy duty springs, (bore-tech.com, cb350 springs)

heres the info i posted about the improved oil pickup, sonreir is talking about.  its a cheap and simple swap.

http://www.hondabrat.com/2013/12/honda-cb360-oil-pickup-possible-failure.html
« Last Edit: Nov 13, 2014, 20:03:58 by trek97 »

Offline advCo

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'74 CB 360 Cafe Build! (the beginning)
« Reply #13 on: Nov 17, 2014, 23:15:32 »
Thanks for the advice gents. I will definitely be doing clutch discs and springs. The oil mods are a must from what I've read, plus I've got some minor leakage from the oil pan or drain plug somewhere that must be remedied.

Still been chasing down my spark issue. Maybe you guys have some input?

I replaced ignition switch, battery, points, condenser and coils. With Key on (I bypassed the kill switch) I have power all the way to the black wire that splits to the two coils. When I turn the motor and put a test light on the points, no power ever reaches there. All wires and connections look good.  I'm sure there's a variable I'm missing, but I'm currently stumped.

Freehand sculpted  a couple of seat pan/rear fairing mock ups today. Came out a bit smaller than it should be (got carried away with the hot knife :D) but I'm liking the lines so far.

Til further notice.

-Nick
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline Sonreir

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #14 on: Nov 17, 2014, 23:40:03 »
Have you read power at the points with a multimeter?
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline advCo

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'74 CB 360 Cafe Build! (the beginning)
« Reply #15 on: Nov 23, 2014, 13:33:52 »
@Sonreir - just read power at the points. I'm getting .2 volts at either side, open and closed. Reading ~10v at the killswitch connection, and ~9v at the black/white wire to the coils
« Last Edit: Nov 23, 2014, 13:37:57 by adventurco »
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline Sonreir

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #16 on: Nov 24, 2014, 11:29:23 »
And how about on the blue and yellow wires coming from each ignition coil?
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline advCo

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #17 on: Nov 24, 2014, 15:26:44 »
I disconnected the blue wire to the point, and it reads ~10.5 off the coil and the same at the end where it connects to the point. On the yellow wire (which is still connected) I'm getting the same .2 reading.

Is the wire from the coil supposed to make contact with the point mounting plate or with the armature that is moved by the breaker cam? I may have these wired incorrectly causing a short?

"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline Sonreir

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Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #18 on: Nov 24, 2014, 16:21:54 »
A short in that location is far too common.  It's a huge pain in the ass to sort out.  Try different orientations of the wires.  I've gone so far as to double up the gaskets and put a bit of electrical tap over the nuts.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline advCo

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  • Nick Ol' Eye
    • adventur Studios
Re: '74 CB 360 Cafe Build! (the beginning)
« Reply #19 on: Nov 26, 2014, 22:09:20 »
Got the short figured out, it was having to do with the connection of wires to the points. I swapped the wires around and voila! Nice fat blue sparks
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0