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PTC 01-24-2013 02:00 PM

ct90...k1
 
picked one up today, wasnt going to after i saw the rough condition, but a titled bike complete (less side covers) for 125$
how could i say no?!
my big dilema is rust....er well rot. the frame area under the gas tank is swiss cheese.
its actually the "under rear fender" area of the bike. strange spot but im not sure if i should weld some sheet metal in there or part the bike out and use the motor on one of my st90 projects. i was going to go lifan 125 or 140 for the st90 bikes but neither have titles and i really like the ct, always wanted one. this one is just a bit more of a project than i wanted.
but i have the sickness.the rest of the bike is solid. beat up and ugly but solid. hmmm.
what makes the k1 special? the plastics are different but i cant see much else. gonna clean her up and see if she runs i guess. has original keys, been in a shed for 8 years. damn. i dont have time for this! anyone wanna swap thier ct90/110 rider for a complete st90 and ct90? theyre both yellow...thats all ive got.
slams?encouragement wanted...:ear

Woodsrat 01-24-2013 05:01 PM

It's just metal. I've seen sheet metal for the C-70 chassis listed on eBay--wonder how close it is to the 90? (Probably not.)

If that puppy is titled I'd go visit a fabricator and let him fix it. If you don't want to mess with it PM me.

PTC 01-25-2013 08:38 AM

thanks for the replies guys, i went through the carb. it wasnt bad at all, the jets were clean. so thats good, mouse nest in the air filter and the chewed threw the boot. no spark though, going to clean her up, get her running and make a decision from there. the welding and fabrication i can handle, just a matter of no time for toys.
lubed up the cables...hopefully spend some time on it soon and then choose between the ct or the st. too many projects and not enough time.
looking foward to it though.
i think i read somewhere that the 69 had a hotter cam. is this correct?

YZman 01-25-2013 10:04 AM

Dont know if you know but you need a good charged battery to get spark. No battery no spark

PTC 01-25-2013 01:38 PM

Quote:

Originally Posted by YZman (Post 20572908)
Dont know if you know but you need a good charged battery to get spark. No battery no spark

thanks yz, i figured the battery from 1982 that was in there, with its 3. something volts would still complete the circuit giving me something? i spent a half hour doing some cleaning up and pecking around and the mousepricks ate my wires! i hate those lil bastards. stopped at the battery shop and paid a whopping 10 bucks for a nice agm 5ah battery that looks like it will fit the bill. now to pull it apart and find the coil... is it hiding way up under the fuel tank? thats where im finding my chewed up wires. and the rot i think was caused by rat piss. oh well.

YZman 01-28-2013 06:38 AM

Yep the coil is under the tank. Might be able to get to it thru the battery opening.

PTC 01-28-2013 12:14 PM

got spark!
it helps when the key is in the correct position!
hopefully have some time to get her running soon,
thanks again yz. gonna need gumby wrists to get to the coil!

windburn 01-28-2013 01:28 PM

Pics would be helpfu,l it good work you are doing.
 
If your here you have likely also found the CT 90 CT 110 group they have been very helpful in sorting out gremlins in my 71 CT 90. Some pics would be great if you can post some. I thought mine may have been iffy and I bought it for $325. I spent another $350 getting the Carb Cleaned, new tires and tubs, points and plugs, and a new Battery. That got it fired up. Then it needed a valve adjustment and the plugs needed to be correctly gapped. Someone said that half the fun was riding them and the other half tinkering on them. I feel like I have brought back to service an otherwise neglected fine motorbike.
Keep up the good work. I'm interested in your progress.
:clap

Offcenter 01-29-2013 08:38 PM

Big CT forum here:
http://hondatrailcts.yuku.com/directory#.UQijh8iDn60
LOTS of info and help!
Good luck with your CT. I love mine!

MotoRandy123 01-31-2013 04:31 AM

I just picked up a 1968 K0 in rough shape. It needs forks, engine and a seat but the price was right $100!

PTC 01-31-2013 07:56 AM

windburn- sorry on the pics, no extra loot for the smugmug.
offcenter, thanks, i joined that last week.
motorandy, amazon has a lifan 125 for 200 bucks! and check out the seat from a honda urban express, im sure it will need mods to fit, but i always thought that seat would go good on a ct!
today im going to finish a full tune up, set valves and points... and try to fire her up! cross your fingers for me...
oh yeah, my wife and i have our own little bike club called the"danger squad":evil
she set it up on myspace years ago, we just terrorize around town on little (under125 bikes-her rules) illegal bikes (no lights,plates... only once did she get stopped by the man who made her walk a ct70 home!

id like to start up a ct type ride someday. hmmmmm

YZman 01-31-2013 10:13 AM

Quote:

Originally Posted by PTC (Post 20617650)
windburn- sorry on the pics, no extra loot for the smugmug.

www.photobucket.com is free

Quote:

Originally Posted by PTC (Post 20617650)
my wife and i have our own little bike club called the"danger squad":evil
she set it up on myspace years ago, we just terrorize around town on little (under125 bikes-her rules) illegal bikes (no lights,plates...

Now that sounds like fun. I kinda resemble that as im rockin a moped sticker on mine right now (vs plate as its over 50cc) :D

PTC 01-31-2013 01:00 PM

Quote:

Originally Posted by YZman (Post 20618719)
www.photobucket.com is free



Now that sounds like fun. I kinda resemble that as im rockin a moped sticker on mine right now (vs plate as its over 50cc) :D

alright alright ill hafta get that going...:clap
and for the record, we tried to do it legit, but the registry said that there are so many little bikes around that this, a ct70 was considered a moped. abide by the moped laws and keep the paper from the registry on the bike. that ct70 will do about 50mph! (upgraded a little bit):D

soooo i set the valves, i think they were at -.004 little too tight.
the points were new looking but as out as they could get, and i didnt have a good light with me so i set them with a peice of paper for now...
the po said its been in the shed for 8 years! and by the smell of the gas i beleive it, anyway shes a runner.
took some kicking and fiddling but i got her to putt around. this is interesting though- it will only run with the lights on.
the off position is a kill switch! kinda cool? gonna hafta look into that.
so next up is a tank drain/flush/super reclean the carb and new fuel lines and plug. get the timing spot on. cam chain is a bit noisy as well so ill get to that.
then the big decide.
keep her and ride her tires off, probly a lifan cantidate. or sell her off to fund an st90 project...

MotoRandy123 02-01-2013 01:40 PM

That Urban Seat looks cool! These bikes have a tricky electrical system. The battery is the regulator. On some the lights come off a separate winding and a resistor is switched in when the light is off (as the load helps to regulate the voltage). So maybe your resistor is bad or the switch doesn't work right? Be careful as a bad setup will blow the lights (and they're all 6V!).

PTC 02-25-2013 12:54 PM

i just picked up a "sdg" 124cc 3 valve motor! it looks like a nice piece. as far as china motors go anyhow.
i have to spend a bit of time on the wiring and such but its a strong lil beast.
so the 69 ct90 will get the transformation, guy down the road has a kdx80 front end for 20 buck so i my try and work that in there.
now to decide on the 90 motor...should i put it on the st90? or sell it to buy a lifan...decisions:rofl


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