st90

Hello, I need help finding what drive chain size I need for my dads 1974 Honda st90 that’s been sitting in the garage for 30 or so years, driving this thing is a blast! But every time I take it out something new breaks this time I noticed a link that was about to give out but I’m having a hard...

if this isnt allowed please remove! thanks so i have a honda st90 and after i ride it for about 20-30 mins it does this see attached video. carb says pz19 if that means anything or can get me more help, thanks! https://www.youtube.com/watch?v=tJy2SZf7j-k

Just picked up my first minibike, a 1973 Honda ST90. I have a few motorcycles already, but this is the first minibike. Always wanted one since being a kid at the cottage watching friends down the road on their old Honda 50's or whatever they were. Looking forward to getting more familiar with...

hi guys I have a 1973 Honda st90 that I am restoring. I need lots of parts this thing needs a engine rebuild and it has no spark I am looking for a repair manual. Thanks for any help

Looking for an honda st90 roller or parts bike. gotta be complete. Shoot me a PM if you have something. I have stuff to trade.

Hi there fellas, new to the forum and hoping for some good advice. I figured I would ask since I am about to pull my hair out over this damn bike. So, I am trying to get this little bike up and running for a friend. Put a good battery in the bike, I have power to all of the lights, ignition...

I need the rear tail light and bracket, tool box, rear directionals with mounts and hopefully related hardware for a 1973 Honda ST90 mini bike I just picked up.. May consider the whole rear fender with all the above parts on it.. The ST is sort of an overgrown CT70. I also need the engine cover...

I have been looking for one of these for some time now. Seems most of the ones that come up for sale are pretty thrashed or super clean with a super price. They only made them for 3 years 1973,1974 and 1975. This one is a 1975 and I would have to say is super clean and not at a super price ...

Here is my 1973 Honda st90. It is completely original cept for the tyres I replaced for obvious reasons. I had to do a title search and government inspection to have it insured for road use and passed. 1080 miles. Not bad as she just turned 40:thumbsup: Large pic ,

hey brotha, I see you have some experience with putting new engines into st90's i'm trying to find a good one to put into my st90 myself, i've been thinking about this li-fan engine SEMI AUTO LIFAN 125CC Motor Engine XR50 CRF50 70 SETS | eBay only problem is, people are saying this is...

hey guys I see you might have some experience with putting new engines into st90's i'm trying to find a good one to put into my st90 myself, i've been thinking about this li-fan engine SEMI AUTO LIFAN 125CC Motor Engine XR50 CRF50 70 SETS | eBay only problem is, people are saying this...

I have a 73 ST90 in Great shape..been stored for a while and will need to be gone through..( not original color) It was restored several years back by the previous owner, gas was drained. I have had it for a while..no title just bill of sale...but now I want to focus on my Jeep CJ project so...

Can any body explain to me how the clutch work on a 73 st90 3 speed centrifugal clutch, i know the arm on the shifter moves something in to release the plates and also you can adjust it on the outside but what moves, the outer drum or the inside it would nice to see it work in a cutaway view or...

i'm looking for an undented front fender for a honda st90. thanks for any replys! Jason

i am looking for low gear 33t for my 1973 st 90 part number 23421-121-692, if any body has any idea where i can find one please let me know so i can put the motor back together ,thanks

So i just picked up another little ST90, and i'm in need of a few original pieces.. i'd love to hear from anyone that has some parts or parts bikes, or can even refer me to some one. I've got a red 73 and a 75. for the 73 i'm looking for a front fender, brake lever, mirrors, decent seat...

hi, i recently purchased a 1975 Honda st90 mini trail. it starts runs an sounds good only problem is it smokes worst than mt. saint helen an has oil dripping out of the exhaust port while its running. i took the head and cylinder off an replace the seals hopping that was the problem, no luck...

Hey all, I just aquired a 1973 Honda ST90, but am missing the seat and airbox assembly. If anyone has these things or knows where I can get them, please let me know. For the seat, any condition, as I can get the seat foam and cover on ebay. For the airbox, I need the whole assembly from...

Can anyone suggest a good tire set (3.00-14) for my '74 honda st90?? I think it has some old cheng shin road style tires now.. thanks!

whats up everyone!? i just picked up 1975 Honda ST90. i'm hoping to make a few mini trail connections here! overall the bike is in decent shape, and runs fine, but needs a few cosmetic items. i've been having an absolute blast riding this thing around, but i've not had much luck finding...