For owners and interested parties to discuss, share stories, and provide mechanical advice for the CT90 motorcycle. Other CTs welcome.
Hardware Help - Headlight Assembly Screw?
Posted 29th Mar 2026u/MrSoup33
help identifying this strange noise.
Posted 11th Nov 2025u/michaelcerascum
Throttle sticks when handlebars are all the way turned left.
Posted 26th Sep 2025u/michaelcerascum
Carb question
Posted 27th Jun 2025u/killer7rex
Drive sprocket locking up
Posted 9th Mar 2025u/Remarkable-Spirit-47
B double E double R-U-N
Posted 7th Oct 2024u/Tuuubbs
What did I fry?
Posted 17th Sep 2024u/WorldDisastrous6438
Zongshen 212cc swapped '76 ct90
Posted 25th Aug 2024u/pirate_leprechaun
69 K0 coil?
Posted 21st Aug 2024u/WorldDisastrous6438
Assistance requested
Posted 9th Jul 2024u/Happy-Lie-84
First ct90
Posted 10th Jun 2024u/pirate_leprechaun
Project update: refurbished valves & seats
Posted 8th Jun 2024u/MistahJ_91
Cylinder head locating dowels and o-rings
Posted 1st Jun 2024u/Happy-Lie-84
Exhaust Install Advice
Posted 20th May 2024u/RideOrPie
Honda ct90 won’t start
Posted 16th Apr 2024u/Frankenfarters
Just got a 77 CT90
Posted 23rd Mar 2024u/Riley_Martin_100
68 almost finished
Posted 22nd Sep 2023u/WorldDisastrous6438
Has anyone run across one of these?
Posted 26th Aug 2023u/ohitsjeffagain
Me and my brothers ct’s (the yellow one is a 1971 and the red one is 1974)
Posted 19th Mar 2023u/yomama2233
Is this a normal amount of distance for the slide to be from the bottom. I feel like I don’t get a lot of adjustment with my idle screw. This is on a 68 CT90. Original Carb.
Posted 23rd Feb 2023u/_DayBowBow
Showing 20 posts out of a possible 50.30 posts hidden as gallery mode enabled.