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Author Topic: 74 Honda XL 350 - The Turd  (Read 21080 times)

Offline irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #465 on: May 23, 2017, 19:03:41 »
So, with the timing light on and bike idling, this is where the points plate is when the F mark lines up with the index mark.




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That's retarded not advanced.  As you move toward the timing mark (right) you're advancing it.

Offline trek97

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Re: 74 Honda XL 350 - The Turd
« Reply #466 on: May 23, 2017, 19:06:04 »
Gap is spec?

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #467 on: May 23, 2017, 19:07:32 »
Right. If I said advanced that's my bad, it's retarded. I'm setting idle timing @ 1200 RPM.


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"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
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0

Offline trek97

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Re: 74 Honda XL 350 - The Turd
« Reply #468 on: May 23, 2017, 19:08:49 »
Re-check static. Advancer is mechanically locked to the cam w a pin or key or something?  So, it cant slip on cam.

Offline irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #469 on: May 23, 2017, 19:10:58 »
That's way too retarded on the timing.  If anything, you should be slightly on the other side of the mark. 

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #470 on: May 23, 2017, 19:25:55 »
Re-check static. Advancer is mechanically locked to the cam w a pin or key or something?  So, it cant slip on cam.

Yep the points plate and advancer is almost identical to my 360 just with one less point. Gap is smack in the middle of spec.

I know its too retarded. But that is what the timing light is telling me. Which is why I think that something's up.
"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
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #471 on: May 23, 2017, 19:29:47 »
The advance setting on the timing light should be at Zero, yes?


Sent from my iPhone using DO THE TON
"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
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0

Offline irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #472 on: May 23, 2017, 19:35:49 »
Check your advancer springs.  There should be pre-load on them.  If they're stretched, you're losing advance and thus bogging and losing power.  It can also cause hard starts and rough idle. 

Offline trek97

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Re: 74 Honda XL 350 - The Turd
« Reply #473 on: May 23, 2017, 20:08:01 »
The advance setting on the timing light should be at Zero, yes?

Sorry I cant answer this.  My timing light doesnt have that feature.  Its older than you are.

Offline HURCO550

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Re: 74 Honda XL 350 - The Turd
« Reply #474 on: May 23, 2017, 20:38:30 »
forget all this "ignition" crap, cut your losses and drop a diesel klr lump in it and call it done.



your welcome
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Offline JSJamboree

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Re: 74 Honda XL 350 - The Turd
« Reply #476 on: May 24, 2017, 01:07:02 »
Buy an old two stroke so you just don't deal with timing chains, valves, or advancers.


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Offline advCo

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74 Honda XL 350 - The Turd
« Reply #477 on: May 24, 2017, 09:29:44 »
Check your advancer springs.  There should be pre-load on them.  If they're stretched, you're losing advance and thus bogging and losing power.  It can also cause hard starts and rough idle.

I'm thinking this may be where my problem lies. I'll pull the advancer out of the parts motor bin and compare.

If I grab the advancer lobe on the cam with my fingers and try to rotate it there is some slop there.
"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
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0