How responsive is the CT90 supposed to be?
Hey folks - first time poster. Actually, first time CT90 owner. I was lucky enough to come to own a beautiful 1967 CT90. It was in fairly good shape, and I managed to get it running with just a little...
View ArticleFuel not getting to cylinder
So I'm trying to start this bike that I got from my grandfather, I've fixed it up for the most part, but fuel isn't reaching the cylinder. I have a spark and compression, and I'm 95% sure that the...
View ArticleBike stalling on takeoff when warm
Hi guys, I have a 2005 CT110 that stalls only when on take off in gear. If its moving it never bogs or stalls and it doesn't do it when its cold. When I stop at the lights and select first gear,...
View Article'68 KO Four Screw Carb Problems
I'm just finishing up a complete renovation of a1968 CT90 KO with a four screw carb. I bought it as an incomplete project from an old guy (anybody older than me) who ran out of energy. He had spent...
View ArticleCT110 PRESS IN IDLE JET
1980/81 WAS THE ONLY YEARS A PRESS IN IDLE JET WAS USED ON CT110, I WAS CLEANING MINE AND BROKE A PIECE OF COPPER WIRE IN IT AND CANT GET IT OUT. I CANT FIND A REPLACEMENT ANYONE HAVE ANY IDEAS. THATS...
View ArticleWhich aftermarket carb for a 1970 K2?
Hello forum. Well, my ct90 dumped gas all over the floor again. This original carb has just never been quite right, with several different problems. I looked on ebay, and there are a plethora of carbs...
View Article1969 4 screw model
I am new to Honda CT90, This is my first motorcyle and I decided to go with a classic. The bike was idling fine a couple of a days ago but all of a sudden it wont idle. I have the 4 screw carburetor...
View ArticleDr.Atv fuel line gone bad
The bluish colored stuff, Every bit of it is shot in just a few years. It's all crazed on the inside, brittle, and splitting at the ends. I'm swapping carbs and discovered how bad it is, a good thing...
View ArticleENGINE STARTS COLD WITHOUT CHOKE
MY CT STARTS ON FIRST KICK WHEN COLD WITHOUT CHOKE BUT AFTER WARM-UP ITS HARD TO RE-START. COULD THIS MEAN FLOAT NEEDS AJUSTING TO LOWER FUEL LEVEL IN BOWL?
View Article1970 CT90 won't consistently return to idle
This has been a chronic problem with this ct; sometimes it's just barely ok, other times it's like cruise control. It has never been right since I have owned it. I just replaced the carb with a PZ22c...
View Article1969 K0 leaking while petcock closed
So to start things things off, I was riding my 1969 Honda CT90 K0 model around town when I realized that I was completely out of gasoline. The gas tank was dry and I didnt realize this until the...
View ArticleRace fuel?
So out here in California, as many of you personally experience, the fuel has lots of additives. As the fuel evaporates out of the carb, after a long lay up, the additives get left behind and gum...
View ArticleQuestion on Carb setting
I have a 1981 110 with 600 miles I bought from a friend, after cleaning out the complete fuel system tank, lines and carb it runs well with exception of top end/full throttle on street where it...
View ArticleBike Revving Hard!!
I have rebuit the top end on an old 1980 CT110 and have managed to get it started, BUT it rev's it's rings off, no low idle at all just revving hard. carb was operating fine before rebuild. I am about...
View ArticleHomemade Carb Isolator block
Does anyone know where I can source material to fabricate my own carb to manifold isolator block for my K1 with the 4 screw carburetor?Can't find one that will fit.
View Article67 KO fuel petcock
I just rebuilt a Keihin T90D carb and my little CT is coming along nicely....just one problem still. The fuel petcock pours fuel overboard. I bought a new perforated disc from Dratv hoping to solve...
View Article1968 ct90 need help with 4 screw bowl carb
i have a 68 ct90 , I have new top end all parts are new. I rebuilt carb ( 4 screw float bowl ) it runs great except at idle . At idle it runs so rich it burns my eyes and smokes its so rich. I can...
View ArticleChinese carb questions
Howdy, I bought this carb for my Trail 90 (1971 CT90K3): I got to looking at the specs, and realized it's a 22mm carb. My fault, I didn't read the ad thoroughly enough when I bought it. Question time:...
View ArticleBig Bore Carb Help
Hey all, it's been awhile since I've been on the forum. I recently got my CT-90 bored out to 54mm. I figured I should get a 22mm carb because that goes on the 110, then I realized that then I would...
View ArticleTrouble with the carb?
Just got a 69 CT 90 from my pops and after cleaning the carb the ol beast wants to rev high and the carb won't adjust. I made sure I put the throttle sleeve in correctly but I'm thinking maybe a...
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