I recently bought a 1970 Honda Trail 90 off ebay. I still have not got it running, it has lots of compression, but it just won't spark. I looked at the points and they seemed to be OK. What could the problem be? Email firstname.lastname@example.org. Thanks!!
Hi, thanks for your time as you read this, but I own a 1973 Honda Trail CT90 and it ran fine and dandy, but a little rough, so I thought I would tune it up a bit and cleaned the plug, therefore changing the oil...
After I changed the oil, I continued to start, and it ran for a minute and all of a sudden it just ran out of power; it was kinda weird, like the head light slowly faded away and now it won't start. Any suggestions would be appreciated. Again thanks for your time...???
Hey, I'm considering buying a 1970 CT-90. There is one for sale down the road. It is clean as can be on the outside, and it has about 3000 miles. What are some things to ask or check for when I go and talk to this guy/test drive? Thanks!
I just got a 1968 CT 90, and it has the 2 sprockets on the rear wheel, how did this work? Is it the chain length that changes?
The '68 ct-90's had an additional length of chain that had to be manually installed to use low range.
Disconnect the master link, add an additional chain, place the chain on a larger sprocket.
Viola, low range.
Hey, the other day I started to restore my Honda CT, and I don't want any wires, I just want the main wires to get it running. Does anyone know where I hook the wires into to get it running? Let me know. There are also wires coming out from the motor; what are they? Thanks.
Hook the green ground wire to a good ground on the bikes frame, and twist the two positive battery wires together. You should get spark, and it will run fine without a battery.
I also own a 1971 CT; would not part with it.
I connected the two battery wires together, and ground the green earth wire; still no spark. Where do I look next?
Which rectifier did you use from radio shack?
Thanks Randy Driver email@example.com
What is the best off-road engine you can put into a Honda CT90? -holden
Just bought a 71 Trail 90. No title. I live in Ohio, can I get a title for it or not? Gave 450 for it, and it is near perfect physical shape with 2000k on her, but can't get a spark as it has sat for over 2 years. Any thoughts on this would be appreciated.
Also, had one in my youth. It was worn out when I got it, and I couldn't kill it, so I got married and gave it to my brother in law; he killed it.
Thanks in advance.
To use the big sprocket, you need to add chain links. I had a 1964 Trail 90 in 1965 when I lived in Alaska, and it was the best bike for going in the woods fishing. I only used the big sprocket one time, and never had to use it again. I left Alaska in 1969, and now live in Fort Lauderdale and am looking for another to explore the Everglades and more fishing.
Yeah, go to Radio Shack and pick up a rectifier, and do the Radio Shack rectifier upgrade. Everyone does it, and it's ONE OF THE BEST upgrades for dirt cheap you can do.
You need the following:
18 gauge wire (4 pieces of 2in 18 gauge wire).
4 butt connectors.
4 female spade connectors.
Some shrink wrap if you feel inclined to do so, and the actual rectifier --- 3.55 plus tax. LOL cheap, but WAY BETTER than OEM.
Then hook up the wires accordingly.
The battery is the voltage regulator. A new battery seems to eliminate all the electrical problems. They were made before it was mandatory for bikes to have their lights always on, so I think that they use more juice from the battery when idling, than the engine is able to recharge the battery. If you do a lot of idling with the lights on, it may drain the battery faster than it is recharged. I got in the habit of turning off the lights when stopped, and back on when going, except at night, but new batteries work best in all situations.
Your problem sounds like a carburetor issue. Rebuild kits are cheap, and I'm sure there is a YouTube video to show you how. Good luck.
My boy bought a Chinese LEI Motocross jump bike, took the 125cc motor out and put it into his Trail 90 Honda. This left the Chinese jump bike without a motor and he was going to scrap it. Adapting the jump bike's lugs with my home made adapter fittings to the Honda motor, I succeeded to fit the motor and to line up the sprockets. Now I have a problem with the electrics, and a wiring diagram would be helpful. No lights, so no battery on these bikes. A cheap electronic ignition with low voltage to the points system could be the trick.
Can anybody help? E mail me - firstname.lastname@example.org
Ziggy Ozzie Australia.
Get one from Radio Shack.
You need to have a good, fully charged battery. Even though this bike is a kick start, the battery needs to be strong enough to run the headlight AND supply spark. Charge it and you'll see. Then go get a new battery and it will run. I just went through the same thing. Mine is a 68 and it's 6 volt. I put mine on a battery tender about once a week, because these bikes are known for a weak charging system, especially if you use it as little as I do.
Will not shut off with the switch. Can it be the rectifier?
In the left side cover of the bike, they came with a section of chain and tools to disconnect the master link of the chain and add the additional piece. It makes the gearing so low that you could probably tow a travel trailer with it (LOL).
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