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Needs Training Wheels
Needs Training Wheels

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 Post subject: Rugger's 1982 C70 Project
PostPosted: Mon Oct 07, 2013 9:18 am 
Ok, this is really a tease. I know how everyone wants to see Passport porn, but the only pic for now is this lame one. It's back there...
Image

I finally picked up the C70 from my parents last night. I have been waiting a very long time to actually get this thing going. Now that we have moved and have property and room for toys I'll start this project - TODAY. First I'll start by simply getting the Honda engine in good running shape. From there I'll see what I want to do, give it to my son, bob it, fully resto, Lifan... I might shelf the Honda and throw on a Lifan for sh!ts and grins for a while or I may just leave it as is. I really like all the bobber style cubs, I was really set on doing that, but after seeing how well she's been maintained I may not...I might try to find a beater cub for that.

Going to start by replacing oil, plug, gas (after I Gumout the tank) and fuel line. I'll test the battery, if it's not good I'll disconnect the headlamp until I get a replacement.

I'll post some proper porn later today, she's in really good shape.

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Needs Training Wheels
Needs Training Wheels

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Posts: 29
Location: Austin, TX
Gender: Dude

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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Mon Oct 07, 2013 9:21 pm 
Porn as promised and questions:
1. What's with the TINY 4" metal tubing along the reserve fuel line? Pictured below.
2. Can I just replace all the fuel lines with 3/16" fuel hose - granted, where the hose needs to make a 90 I would use metal tubing, but also 3/16" ID.
3. Anyone have any luck finding the Starter switch above the starter button on the right bar- the on/stop red knob?

Not pictured but I do have the leg shield and it's in great shape, no cracks or dry rot.

Progress:
New oil
New plug
Tank removed and soaking in B12
New fuel hoses to be installed
New battery (wrong one, taking it back along with core to get the right one)

Assuming I get the correct battery and attach the fuel lines I'll give a go at getting her running by Wed evening (son's football game tomorrow).

Image
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What's up with this?
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This I expect for a 90 bend in the fuel line:
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1982 Honda C70 Passport Project Blog
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Needs Training Wheels
Needs Training Wheels

Years on TRYears on TRYears on TR

Posts: 29
Location: Austin, TX
Gender: Dude

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 Post subject: Rugger's 1982 C70 Project
PostPosted: Tue Oct 08, 2013 8:26 pm 
She's cranking good, she'll fire up and run with help from a very conservative spritzing of starter fluid, but only for seconds. I guess I'll need to tear down the carb, clean it real good to get her running. All lights work, including headlight.


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Donkey Puncher
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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Mon Dec 09, 2013 12:18 pm 
carbs are always clogged on these bikes
at least you got the 12v model, with cdi

mine is the 81 6v points

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Ride Game Participant
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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Mon Dec 09, 2013 2:31 pm 
Damn I want one!

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n00bie

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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Tue Jan 28, 2014 4:03 pm 
Did you get the c70 running yet?????????


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n00bie


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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Tue Mar 18, 2014 6:18 am 
Update ???????


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Needs Training Wheels
Needs Training Wheels

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Posts: 29
Location: Austin, TX
Gender: Dude

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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Thu May 15, 2014 10:07 pm 
Very sorry for slacking, but in Nov I ruptured my Achilles tendon (MTB injury), had surgery and just 12 days after being off crutches and out of the boot I re-rupture in in Feb. Second surgery was Feb 25th, and I am now just a week and a half out of the boot again. I also got sidetracked with another hobby, I built up an AR15.

First
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Second
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Sidetracked by this:
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https://www.youtube.com/watch?v=ueXbxfQlNCE

I was gimpy enough with typical day to day stuff, I did pick up a carb since it was so cheap, but still didn't manage to get her running. Since the injury I haven't touched the passport until tonight. I topped off the battery and put it on the charger, cranked the scooter over to make sure the battery was holding a charge.

I'll get started on the restore. I think my next task will be to get some KSB Coatings and clean, etch and coat the tank, unless there is a better or less expensive, but equally effective kit. Then make sure both the original and new carb are free of any gunk and go from there.

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Needs Training Wheels
Needs Training Wheels

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Posts: 29
Location: Austin, TX
Gender: Dude

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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Wed May 21, 2014 9:56 am 
Small and slow progress. I am giving vinegar a try on the gas tank. The rust isn't horribly thick or as bad as I thought. Washed it first with simple green, then dish soap, didn't see any big chunks or much flaking so I didn't see the need to add abrasives to it. If it looks good after a few days with the vinegar then I'll WD-40 it until I'm ready to use it, otherwise I will give it a go with vinegar and sheet metal screw (shaken, not stirred). For now, I rigged up my push mower's gas tank while I tinker with the bike.

Removed the front and rear racks, rear light assembly, head badge and plate, chain guard, nothing major. I notice the drive side shock still has the cellophane protection on it.

I've decided I am definitely going to bob it, not resto to original, so I'm going to bob the rear this week I think. In the meantime I'll see if I can get the fuel delivery issues sorted out while the gas tank soaks.

Things I have already removed that are in really good shape and would probably sell it you're interested:
Rear light assembly and hardware - lens and lights work, no cracks
Front and rear racks - minimal rust, no dents
Chain guard - great condition, just needs cleaning
In the future: front fender, front turn signals, both mirrors and more

On the fence to
A. keep the red (maybe add a bare metal patina to it in places) and add black accents
B. murder it out completely and add orange or red.

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n00bie


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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Sat May 24, 2014 5:05 am 
How did the tank cleaning go?

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Needs Training Wheels
Needs Training Wheels

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Posts: 29
Location: Austin, TX
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 Post subject: Rugger's 1982 C70 Project
PostPosted: Sat May 24, 2014 8:51 pm 
Still underway. Decided to really let it soak. I'll empty and neutralize it tomorrow.

I did start the bobbing...

Before
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Image

After
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n00bie


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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Sun May 25, 2014 5:34 am 
Thats about where I'm at with my '81 project bike. Now that I have the registration it's game on!

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Needs Training Wheels
Needs Training Wheels

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Posts: 29
Location: Austin, TX
Gender: Dude

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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Fri Apr 10, 2015 9:15 am 
Holy lost time...moving to an older home with acreage, a small salon (wife), well water issues, pond issues, TWO ruptured Achilles, building illegal MTB trail (and turning it into legal through the county), raising kids, new dogs, work projects in Korea and China...life in general put the C70 on the back burner for quite some time.

Now I am going through a bunch of the project around the house and happen to get the Passport running last night. With very minimal tuning of the carb she got up and went, 40mph. Definitely needs some tuning as it starts to bog down going up a long-ish slight grade.

It was good to finally get her going. Makes me seriously think more about getting the 88cc big bore race kit and spend some quality time on cleaning her up, painting, etc...

Pretty shite looking, but it was a hack job since the gas tank is off and will need to be recleaned. Put my power washer's gas tank on it (dangling over the left handlebar)...
Image

Next:
Clean out gas tank
Sort out front suspension issues

In May I think I'll pick up tires, tubes and the 88 race kit.
Gotta figure out what to do about the exhaust, seems counter productive to run the stock exhaust on the 88 head.

If anyone is still out there...you suggestions on the exhaust is appreciated - would prefer it not be a crazy loud race exhaust.
Also regarding tires (Gazelles) I believe I have seen confirmation that 2.75 up front and 3.00 rear are doable - correct?

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Donkey Puncher
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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Fri Apr 10, 2015 12:11 pm 
No suggestions, but glad to see an old project revived.
:banger:

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Donkey Puncher
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 Post subject: Re: Rugger's 1982 C70 Project
PostPosted: Fri Apr 10, 2015 8:10 pm 
there are alot of exhaust options
many of the pit bike exhausts will fit the engine
of course if you get the type that go up high I think it clears everything and you will have to bolt the clamp to the shock mount, may need to make a bracket


Image






if you get a low running exhaust, which ive also seen nice ones that are quiet make sure your kickstart doesnt hit it
the kickstart is offset to bend around the stock pipe but never know exactly how the aftermarkets route
and usually brake lever needs to be heated up and bent to clear the pipe, but thats easy to do with a torch


I think the low quiet one I saw was from webike maybe $60

also the big bore may push the exhaust forward a touch, so the stock pipe mount may need to be drilled a little to remount
this one is stupid loud
Image

this wasnt too loud, but way louder then stock
Image
I liked how it looked compared to the high up exhausts


this was pretty quiet with a 125 engine
Image

maybe exhaust was posted here http://totalruckus.com/phpBB3/viewtopic.php?f=145&t=77866&start=285


rugger wrote:
Holy lost time...moving to an older home with acreage, a small salon (wife), well water issues, pond issues, TWO ruptured Achilles, building illegal MTB trail (and turning it into legal through the county), raising kids, new dogs, work projects in Korea and China...life in general put the C70 on the back burner for quite some time.

Now I am going through a bunch of the project around the house and happen to get the Passport running last night. With very minimal tuning of the carb she got up and went, 40mph. Definitely needs some tuning as it starts to bog down going up a long-ish slight grade.

It was good to finally get her going. Makes me seriously think more about getting the 88cc big bore race kit and spend some quality time on cleaning her up, painting, etc...

Pretty shite looking, but it was a hack job since the gas tank is off and will need to be recleaned. Put my power washer's gas tank on it (dangling over the left handlebar)...
Image

Next:
Clean out gas tank
Sort out front suspension issues

In May I think I'll pick up tires, tubes and the 88 race kit.
Gotta figure out what to do about the exhaust, seems counter productive to run the stock exhaust on the 88 head.

If anyone is still out there...you suggestions on the exhaust is appreciated - would prefer it not be a crazy loud race exhaust.
Also regarding tires (Gazelles) I believe I have seen confirmation that 2.75 up front and 3.00 rear are doable - correct?

_________________
The Widowmaker

:chow: :LR:

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