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Author Topic: Out off the box 350 four resto  (Read 2030 times)

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Offline Dominiek

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Out off the box 350 four resto
« on: March 31, 2020, 10:21:14 AM »
Bought a winterproject some time ago but since we are locked down i Got some time to spare. The PO started dismanteling the Bike and then it Got in the corner collecting Dust...
I startend rebuilding the engine for now. Since it is a 350 frame with a 400 engine i am not going for full originality. I also want to keep this one on budget. Thinking about cafe racer style, not sure yet. I Will try to post some foto's once i have figured out how to do that. I keep you guys posted!
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #1 on: March 31, 2020, 10:53:59 AM »
Foto...
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #2 on: April 01, 2020, 12:43:16 PM »
Today Got some parts and started the rebuild. Everything went smoot til now...
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #3 on: April 01, 2020, 12:46:28 PM »
Who can tell me where the 8 Orange o rings fit? Also the 4 big black ones.
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Offline Bowswell

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Re: Out off the box 350 four resto
« Reply #4 on: April 02, 2020, 04:28:47 AM »
Orange go under cylinder around sleeve and 4 black between boot carb and head.
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Offline hoodellyhoo

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Re: Out off the box 350 four resto
« Reply #5 on: April 03, 2020, 06:47:25 AM »
I believe the 8 small orange ones go under the valve guides
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1972 CB350F (Back from the Dead!)- http://forums.sohc4.net/index.php?topic=20822.0
1965? S65 - Coming Eventually!
1972 CB750K2 (father-son project)
1976 CB750K6- (sold) http://forums.sohc4.net/index.php?topic=96859.0
1976 CB750K6 (sold)- http://forums.sohc4.net/index.php?topic=62569.0

Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #6 on: April 04, 2020, 08:24:47 AM »
So If the guides didnt come out, you do not need them?
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Offline hoodellyhoo

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Re: Out off the box 350 four resto
« Reply #7 on: April 06, 2020, 06:09:09 AM »
Quote from: Dominiek on April 04, 2020, 08:24:47 AM
So If the guides didnt come out, you do not need them?

correct
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1972 CB350F (Back from the Dead!)- http://forums.sohc4.net/index.php?topic=20822.0
1965? S65 - Coming Eventually!
1972 CB750K2 (father-son project)
1976 CB750K6- (sold) http://forums.sohc4.net/index.php?topic=96859.0
1976 CB750K6 (sold)- http://forums.sohc4.net/index.php?topic=62569.0

Offline WhyNot2

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Re: Out off the box 350 four resto
« Reply #8 on: April 06, 2020, 06:32:02 AM »
What is that seat?
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If it ain't raining, I'm riding.....~~{iii}?~~prost

If it sounds like I know what I'm talking about, it's because I cut and pasted from someone else.

Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #9 on: April 07, 2020, 09:58:44 AM »
The seat is a cheap cafe racer, came with the Bike, i have the original seat but that Will need seriius restoration.
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Offline WhyNot2

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Re: Out off the box 350 four resto
« Reply #10 on: April 08, 2020, 10:44:22 AM »
Quote from: Dominiek on April 07, 2020, 09:58:44 AM
The seat is a cheap cafe racer, came with the Bike, i have the original seat but that Will need seriius restoration.

Thanks........
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If it ain't raining, I'm riding.....~~{iii}?~~prost

If it sounds like I know what I'm talking about, it's because I cut and pasted from someone else.

Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #11 on: April 08, 2020, 12:42:32 PM »
Today ran the engine on the stand. Started up from first turn. Static tuning  wasnt far off. Minor adjustment needed to sync the carbs and ignition. No oil leaks! Happy! And forgot about the sound of these litle engines... awesome!
Try to post some pics/ video tomorow.
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Offline Sano

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Re: Out off the box 350 four resto
« Reply #12 on: April 09, 2020, 07:10:59 AM »
Congratulations, I would love to see how you did your bench test set up.  I contemplated doing that on my 550 rebuild as I was nervous about top end oil delivery with my combination of MLS head gasket that has sealing ridges as well as using the regular o-ring seals.  In the end laziness and impatience won out.  Luckily no problems but I think you were wise to test first.  Those 350’s have a glorious sound.
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Offline WhyNot2

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Re: Out off the box 350 four resto
« Reply #13 on: April 09, 2020, 07:19:14 AM »
I'd like to see that test bench too.

I have a 350 I'm building and would like to get it running w/o having to mount it in a frame, of which I don't have.
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If it ain't raining, I'm riding.....~~{iii}?~~prost

If it sounds like I know what I'm talking about, it's because I cut and pasted from someone else.

Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #14 on: April 10, 2020, 06:17:53 AM »
Bench test is not that dificult, i made some brackets using scrap metal. Some switches, one for ignition and i use the bulb for oil pressure, one for the starter. Had the rev counter installed also as it's nice to have to tune the engine. The coils are on a piece of aluminum bolted to the breather cover wich i didn't install. Then the exhaust, i had to modifier the bracket to make it pass. Works fine like this.
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Offline BenelliSEI

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Re: Out off the box 350 four resto
« Reply #15 on: April 10, 2020, 09:50:40 AM »
Nice job, looks like the worlds fastest tool cart!
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #16 on: April 10, 2020, 11:33:35 PM »
It's certainly the worlds nicest sounding tool cart...
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Offline WhyNot2

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Re: Out off the box 350 four resto
« Reply #17 on: April 11, 2020, 05:17:15 PM »
That's cool...........
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If it ain't raining, I'm riding.....~~{iii}?~~prost

If it sounds like I know what I'm talking about, it's because I cut and pasted from someone else.

Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #18 on: April 19, 2020, 12:03:34 PM »
Did some old school metal shaping today... After 1million of Hammer blows got close... I made a woorden template and make Every panel in 2 mm aluminum sheet, then tig weld it togheter. De seat Will be tailor made.
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #19 on: May 04, 2020, 02:02:10 AM »
Finaly some progress this week. Made the aluminum sheets to fit. Almost ready for welding...
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Offline MauiK3

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Re: Out off the box 350 four resto
« Reply #20 on: May 04, 2020, 09:17:32 AM »
Any chance we can get a sound clip of that tool cart?
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #21 on: May 05, 2020, 09:16:45 AM »
Never made a soundclip before, i see what i can Come up with...
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Offline Dominiek

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Re: Out off the box 350 four resto
« Reply #22 on: May 13, 2020, 01:32:48 PM »
Made a custum seat today with the foam of an existing seat, made to shape and then the sewing machine and simili leather. Leand a lot! Happy with the result.
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