Planet Minis

arcticaaron · 06-16-2009, 11:44 PM

Just bought my first CT70 and thought I'd introduce myself. Name is Aaron and I live in Anchorage, AK. I've been riding dirtbikes for years and currently ride a WR450F. For mini bikes, I've had a '76 Chappy that I rode around college but it hasn't been running for a few years. I just bought a '78 Honda Express that is in great condition and I've been riding it around town a bit. A friend was just given two CT70s and after he showed them to me, I knew I wanted to find one and fix it up.

I picked up this CT70 a few weeks ago off craigslist (from a guy that lives in a plywood house/shack that looked like a castle). The past owner had started to install a 110cc 3wheeler motor but didn't get very far with the install. The frame is solid but the bike needs a lot of work.

Plans:

Fix up the bike as a run around bike at the family cabin. I'm hoping to register the bike so it's street legal, but we'll see if ITS can swing that.
Sandblast frame/wheels and either powdercoat or paint it close to original blue
Install Lifan 125cc motor (used from a friend)
Replace a ton of parts that are missing and/or damaged (forks, seat, foot bracket/pegs, handlebars, headlight, taillight, and lots of small stuff)

Questions:

Is this a KO or K1? VIN is CT70-243--- and it was manufactured in 1/71. I thought it was a K0 based on the year, but the VIN makes me think its a K1?
Is all the chinese stuff junk or decent? Specifically handlebars, front shocks with disc brakes, seat, and foot peg/bracket assemblies. I've been looking at that stuff on the trail b*ddy site. They are much cheaper than other parts so I wonder how it holds up.
The front inner fork tubes are all rusted up and are beyond repair. Can I get new tubes or are the chinese forks a good replacement?
Can I use XR70 parts with the Lifan motor? (CDI, Rectifier)

Thanks in advance for any info you may have!

leftybowler22 · 06-17-2009, 10:34 PM

I also just bought a 71 ct70. I would also like to here some answers to these questions. What's the deal with K0 vs. K1?

dirtbkr188 · 06-18-2009, 07:06 AM

According to the Honda Motorcycle Identification Guide, the K0 model was available from '69 through '71, and all models had a 6-digit frame and engine number. The K1 came out in 4/72, and has a 7-digit set of numbers.
The frame tube graphics are consistent with those of a K0, as shown HERE.

nielspbr · 06-18-2009, 08:22 AM

Is that a ATC110 engine under that CT70?

edit: yes, I hope the engine mounting points have not been changed if you want to go the lifan 125 route.

arcticaaron · 06-21-2009, 11:16 PM

Quote:

Originally Posted by dirtbkr188

According to the Honda Motorcycle Identification Guide, the K0 model was available from '69 through '71, and all models had a 6-digit frame and engine number. The K1 came out in 4/72, and has a 7-digit set of numbers.
The frame tube graphics are consistent with those of a K0, as shown HERE.

Ah, thanks for the info. Definitely a K0 then. I was confused by some info on another website.

The 110 did require new lower mounting holes, but I bolted in the 125 tonight and those new mounting points don't interfere.

The bike is stripped down and will be taken to be powdercoated once I figure out what forks to use. Any fork suggestions? My inner fork tubes are all rusted up.

nielspbr · 06-22-2009, 04:29 AM

Look a fatcaat's latest project (30mm forks/tree with discbrake)

edit: http://www.planetminis.com/f14/anoth...ed-118183.html

06-16-2009, 11:44 PM	#1 (permalink)
arcticaaron PM Newbie Join Date: May 2009 Location: Anchorage, AK Posts: 16	New CT70 Owner Intro & Questions Just bought my first CT70 and thought I'd introduce myself. Name is Aaron and I live in Anchorage, AK. I've been riding dirtbikes for years and currently ride a WR450F. For mini bikes, I've had a '76 Chappy that I rode around college but it hasn't been running for a few years. I just bought a '78 Honda Express that is in great condition and I've been riding it around town a bit. A friend was just given two CT70s and after he showed them to me, I knew I wanted to find one and fix it up. I picked up this CT70 a few weeks ago off craigslist (from a guy that lives in a plywood house/shack that looked like a castle). The past owner had started to install a 110cc 3wheeler motor but didn't get very far with the install. The frame is solid but the bike needs a lot of work. Plans: Fix up the bike as a run around bike at the family cabin. I'm hoping to register the bike so it's street legal, but we'll see if ITS can swing that. Sandblast frame/wheels and either powdercoat or paint it close to original blue Install Lifan 125cc motor (used from a friend) Replace a ton of parts that are missing and/or damaged (forks, seat, foot bracket/pegs, handlebars, headlight, taillight, and lots of small stuff) Questions: Is this a KO or K1? VIN is CT70-243--- and it was manufactured in 1/71. I thought it was a K0 based on the year, but the VIN makes me think its a K1? Is all the chinese stuff junk or decent? Specifically handlebars, front shocks with disc brakes, seat, and foot peg/bracket assemblies. I've been looking at that stuff on the trail b*ddy site. They are much cheaper than other parts so I wonder how it holds up. The front inner fork tubes are all rusted up and are beyond repair. Can I get new tubes or are the chinese forks a good replacement? Can I use XR70 parts with the Lifan motor? (CDI, Rectifier) Thanks in advance for any info you may have! Attached Thumbnails

06-17-2009, 10:34 PM	#2 (permalink)
leftybowler22 1st Gear Member Join Date: Nov 2008 Location: East Bethel, MN Posts: 169	Re: New CT70 Owner Intro & Questions I also just bought a 71 ct70. I would also like to here some answers to these questions. What's the deal with K0 vs. K1?

06-18-2009, 07:06 AM	#3 (permalink)
dirtbkr188 3rd Gear Member Join Date: May 2004 Location: New Jersey Posts: 2,970	Re: New CT70 Owner Intro & Questions According to the Honda Motorcycle Identification Guide, the K0 model was available from '69 through '71, and all models had a 6-digit frame and engine number. The K1 came out in 4/72, and has a 7-digit set of numbers. The frame tube graphics are consistent with those of a K0, as shown HERE.

06-18-2009, 08:22 AM	#4 (permalink)
nielspbr Euro Seagull Join Date: Feb 2008 Location: Netherlands Posts: 463 My Mood:	Re: New CT70 Owner Intro & Questions Is that a ATC110 engine under that CT70? edit: yes, I hope the engine mounting points have not been changed if you want to go the lifan 125 route.

06-22-2009, 04:29 AM	#6 (permalink)
nielspbr Euro Seagull Join Date: Feb 2008 Location: Netherlands Posts: 463 My Mood:	Re: New CT70 Owner Intro & Questions Look a fatcaat's latest project (30mm forks/tree with discbrake) edit: http://www.planetminis.com/f14/anoth...ed-118183.html Last edited by nielspbr; 06-22-2009 at 04:32 AM.

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