Honda's 1970 CT-series, consisting of the Trail 70 and 90, were small single-cylinder motorcycles that were intended to be used both on and off of paved roads.
Use gloves if necessary to keep from getting burned. Bearbait in NM. So my dad decided to try and tune it himself. 9. 7 posts carb adjust idle screw air screw 74 CT 90 carb adjust idle screw air screw 74 CT 90 . So my dad decided to try and tune it himself. Somewhere on here there's an excellent post VWNate wrote on adjusting these carbs. Questions? Backing the knurled screw out slows the idle.
13 posts 1; 2; Next; 1978 CT90 K9 Carb #65 Main Jet - Bogs down at minimal altitude gain 1978 CT90 K9 Carb #65 Main Jet - Bogs down at minimal altitude gain. when it is in high range it stumbles.
how do I set the carb.This website uses cookies for functionality, analytics and advertising purposes as described in our 2 posts 1978 ct90 carb tuning 1978 ct90 carb tuning. Shut the engine off and remove the air cleaner from the top of the engine by using a pair of pliers to remove the nut on top of the air cleaner.Locate the idle adjustment screw, just below the fast idle cam. Have you cleaned or put a kit in this carb lately? Paved roads, just more needless government spending...This website uses cookies for functionality, analytics and advertising purposes as described in our Operating the Honda engine with the wrong adjustment settings can also cause damage to the engine. Post Dec 04, 2009 #1 2009-12-04T16:07. Have a 1978 CT90.
Honda Trail - CT90 & CT110 Forum > Discussion > The Repair Shed - Carburetor Help > Altitude Knob Question. Buy OEM Parts for Honda, Motorcycle, 1978, CT90 A - TRAIL 90 . You will find the fast idle cam connected to a spring-loaded hinge with a throttle cable attached.Restart the engine and turn the idle adjustment screw one half turn clockwise.
Making these adjustments is a simple process that you can accomplish in a matter of moments, allowing you to save time and money.Start your Honda engine and allow it to idle for about five minutes until it is warmed up. Honda Trail - CT90 & CT110 Forum > Discussion > The Repair Shed - Carburetor Help > 1978 ct90 carb tuning. Making these adjustments is a simple … Due to weather conditions and use, the carburetor adjustments can change, requiring them to be readjusted. 386. The weird thing is that it worked really good that night, but by the next day it wouldn't even start. 8. wareiter. Honda Trail - CT90 & CT110 Forum > Discussion > The Repair Shed - Carburetor Help > 1978 CT90 K9 Carb #65 Main Jet - Bogs down at minimal altitude gain. The weird thing is that it worked really good that night, but by the next day it wouldn't even start. ColeJarrett. ColeJarrett.
Adjusting the carburetor on a Honda CT90 - Duration: 5:15. In the slow process of doing it up but want to make sure it runs right before I pull it down fully and paint it. Honda Trail - CT90 & CT110 Forum > Discussion > The Repair Shed - Carburetor Help > carb adjust idle screw air screw 74 CT 90 . Did you remove the emulsion tube under the main jet and clean that also? Whitey. Both 1 and 2 are out 1 1/2 turns. Due to weather conditions and use, the carburetor adjustments can change, requiring them to be readjusted. I saw something about a 1974 carb on here, but I wasn't sure if I should use those settings since those carbs are different than the 78 and 79 carbs. The shop manual has an '81 addendum and includes tolerance values for float settings. ColeJarrett. Post 3:11 AM - Mar 05 #1 2020-03-05T09:11. I have a 1978 ct90 that is having some carb problems. wareiter. 19. Bearbait in NM . Paved roads, just more needless government spending...This website uses cookies for functionality, analytics and advertising purposes as described in our Post Mar 21, 2019 #1 2019-03-21T14:21 I have a 1978 ct90 that is having some carb problems. Check the RPMs on your tachometer on the instrument panel of your Honda and verify the speed.Turn the idle adjustment screw slowly until the RPMs are reading around 850. Phil Burress 62,201 views. - Duration: 1:51.
melli. 9. Post Mar 21, 2019 #1 2019-03-21T14:21 I have a 1978 ct90 that is having some carb problems. To get the best fuel efficiency, as well as power, the carburetor on your Honda engine needs to be adjusted to provide the optimum performance. ColeJarrett. Honda's 1970 CT-series, consisting of the Trail 70 and 90, were small single-cylinder motorcycles that were intended to be used both on and off of paved roads.
386. melli. Honda Trail - CT90 & CT110 Forum > Discussion > The Repair Shed - Carburetor Help > 1978 ct90 carb tuning. 19. If anybody knows what the idle and air screw should be set to, that would be really helpful. Here's a link with more info. Listen to the engine and if it is about to die out, turn the adjustment screw counterclockwise just enough to even it out.Let the engine run for about 30 seconds at the new adjustment until the motor evens out.
Post Jul 11, 2016 #1 2016-07-11T05:52. To get the best fuel efficiency, as well as power, the carburetor on your Honda engine needs to be adjusted to provide the optimum performance. The float bowl drain should always be in (closed) all the way. Making these adjustments is a simple … which is which and where should I start if I just want to turn the idle down a bit. 4 posts Altitude Knob Question Altitude Knob Question.