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Author Topic: 74 Honda XL 350 - The Turd  (Read 42504 times)

Offline 2strokeTRush

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Re: 74 Honda XL 350 - The Turd
« Reply #530 on: Jan 26, 2018, 20:58:13 »
If I put a fresh plug in it right now, it would fire up first kick. I need to figure out why it keeps fouling.

Retarded timing will foul a plug due to improper burn of the fuel mixture. Worth a shot!
Take it from me, I'v made this mistake before.

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #531 on: Jan 30, 2018, 19:46:30 »
Today I installed an OEM coil and condenser so I can rule that out of the list of  potential issues. I put a fresh plug in and got her fired up.



With the strobe on it, the timing appears to not be advancing correctly, or at all. The strobe flashes at the same exact point whether the bike is at idle or revved up to 4k RPM.

I think that after I clipped one of the springs on the advancer due to it being too lose, it in turn caused too much resistance and is not allowing the advancer to function properly.

Iím going to grab a used advancer and see if that clears up the issue.
"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 - Sold
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
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0


Offline cxman

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Re: 74 Honda XL 350 - The Turd
« Reply #533 on: Jan 30, 2018, 19:57:10 »
make sure you have the right bolt and belleville washer holding the atu in

if you have the wrong hardware it will bind the atu and stop it from advancing and returning with teh springs
1978 CX650 Super Deluxe
1979 XS1100 Special
1974 xl350
1983 cx650 Custom
1973 cb750
1980 cb750
1981 cb650
1982 cb900 c
1974 kawasaki 350 bighorn
1983 GL1100 aspy full dress
1983 GL1100 Nekid
and a bunch of others

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #534 on: Jan 30, 2018, 20:28:16 »
The hardware is correct.

For whatever reason, I couldnít get a good reading with the strobe before I replaced the coil/condenser. So that may have been a contributor as well. 


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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 - Sold
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
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Online irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #535 on: Jan 30, 2018, 21:44:45 »
Have you tried to advance it by hand just to make sure it's free and is the cam greased?  One coil shouldn't make it that tight, unless you misread how many coils you did and took more. 

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #536 on: Jan 30, 2018, 21:45:59 »
Have you tried to advance it by hand just to make sure it's free and is the cam greased?  One coil shouldn't make it that tight, unless you misread how many coils you did and took more.

Itís free and greased. I only took the one coil but itís pretty damn stiff. Way stiffer than it should be.
"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 - Sold
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
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #537 on: Mar 01, 2018, 12:29:08 »
I'm getting closer to dialing it in. Its still fouling plugs but I think the Supertrapp is the culprit. ANYWAYS, I had it out for a romp last week and got some photos. This thing is an absolute hoot to ride.









"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 - Sold
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
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Offline canyoncarver

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Re: 74 Honda XL 350 - The Turd
« Reply #538 on: Mar 01, 2018, 13:22:09 »
Nice....lol ol' Vermont.
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KZ400 The Rabbit
YZF750/1000R The Fly
KZ 750 Twin
ZRX 1100
65 Norton, My damn Shovelhead chop
more YZF750R's, the KZ's, a Zephyr750...and the unfinished 75' CB550 cafe.
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