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Author Topic: 74 Honda XL 350 - The Turd  (Read 49568 times)

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #480 on: Jun 02, 2017, 18:04:08 »
I've gotten away with removing a coil- basically cutting off the pigtail and pulling one coil to become the pigtail to replace it.

Nice, I will give that a shot and see if it helps.
"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

Online Brodie

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Re: 74 Honda XL 350 - The Turd
« Reply #481 on: Jun 03, 2017, 18:28:40 »
That is what most fitters at my work do when a spring starts to go.
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #482 on: Jun 05, 2017, 16:24:04 »
Alright so I removed a coil and that took out a lot of the slack from the advancer. It's much stiffer now, hopefully not too stiff. Going to re set the static timing and see where the light reads this week.

Made a baffle out of some 3/4 pipe and what was left of a reducer I had lying around.



Wrapped in some fiberglass packing.



It's still pretty damn loud. I may end up going down to 1/2" on the inner tube.
"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 advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #483 on: Jul 03, 2017, 18:20:36 »
Lost interest in this thing for a few weeks. Last time I had it out it stalled a few times while riding and now it doesn't want to start.

SO, went back through and adjusted the cam chain, valves and timing again. The valves were pretty tight after a couple heat cycles, so I adjusted all four. I talked with a guy who has had a bunch of these old XLs and he recommended to set the valves to .003" and .005" as opposed to the FSM stated .002" and .003", so I gave that a shot. Still doesn't want to start, even w/a squirt of ether.

Maybe if it cools off later I will try and set them back to factory spec and try again.
« Last Edit: Jul 03, 2017, 18:25:09 by advCo »
"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 Tune-A-Fishİ

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Re: 74 Honda XL 350 - The Turd
« Reply #484 on: Jul 04, 2017, 10:15:09 »
Don't sound like valve clearance issues seems more ignition to me, I run valves a tad loose on old motors without starting problems


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Offline irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #485 on: Jul 04, 2017, 11:35:33 »
I agree.  I'd check coils and points.  Coils could be fried, or the points could be burned up or just cruddy.  If you're running a resistor cap, check the coils with and without the cap on the wire.  I'd make sure all connections are sound with a meter. 

Offline advCo

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74 Honda XL 350 - The Turd
« Reply #486 on: Jul 04, 2017, 11:43:50 »
Roger that. I was thinking the same as well after no firing with starting fluid. The points are good, I just checked the timing yesterday. Could definitely be coil and/or condenser. I'll check the kill switch(es) to make sure those aren't screwing me up either.


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 - 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 irk miller

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Re: 74 Honda XL 350 - The Turd
« Reply #487 on: Jul 04, 2017, 13:23:43 »
Don't get discouraged.  Once you sort through the bugs it'll be good for a while.  These things are so easy to hotrod and the aftermarket is plentiful.  You can go big bore, hot cams, FCR- all of it.

Offline advCo

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Re: 74 Honda XL 350 - The Turd
« Reply #488 on: Jul 31, 2017, 16:20:47 »
I think I found the cause for the stalling: The repop fuel cap I put on isn't venting correctly. It looks like it has a small vent hole, but it's not doing it's job. Im thinking drill and tap the cover to install a MX style breather tube?



I picked up this VM34 at mid-o for a few bucks. The stock carb is 36mm so I'd have to make up a spacer. Wondering if it's worth it or find a vm36? The stock Keihin is just a pain in the ass.



"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 cxman

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Re: 74 Honda XL 350 - The Turd
« Reply #489 on: Jul 31, 2017, 16:32:19 »
if you are driving in town the 34 will be better off the line than the 36 but slightly less top end but only a WFO

i have

3.0 slide

37.5 pilot (may be a bit rich for you)

main jet 240

6dh4 needle 2 nd groove down from top

q2  needle jet

no air correct
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