Cbr f3 600
#1
05-22-2018, 06:53 PM
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Cbr f3 600
I have this 98 Smokin joe; thing was laid up for a bit, took carbs off and cleaned, and put back together, thing started no problem. Three weeks later, now it won’t start. Took carbs off, cleaned again, thing still won’t start. I don’t get how three weeks ago it started no issues, I move it to part of shed for three weeks and now nothing. Cleaned carbs again, checked plugs, all good! So what’s going on? I changed fuel filter, checked pump, still can’t get it going, any help? Any ideas?
#2
05-22-2018, 06:57 PM
Super Moderator and Official Welcome Crew Yeti
#3
05-22-2018, 07:00 PM
#5
05-22-2018, 07:08 PM
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it turns over, lights up, but won’t catch, backfire occasionally but won’t start
#7
05-22-2018, 07:16 PM
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#8
05-23-2018, 08:56 AM
Let's get primitive with this. There are 3 things required to cause fire: oxygen, fuel and heat.
You are confident that fuel is being delivered to the fire pit (carbs). That leaves oxygen, heat, or the fire pit itself. Are you certain that the air passage isn't blocked? If so, your heat is the next thing to check. Spark plugs are pretty simple to inspect. One plug at a time, remove the plug, leaving it connected to the boot and insure the threads are solidly against the frame. When you press the start button, you should see arc across the plug lead. If you don't feel comfortable doing that, there are simple tools you can buy that you install inline with the plug wire. it lights a light when you press the button if everything is good.
If it's not any of those things, then your carbs. They can be very finicky.
You are confident that fuel is being delivered to the fire pit (carbs). That leaves oxygen, heat, or the fire pit itself. Are you certain that the air passage isn't blocked? If so, your heat is the next thing to check. Spark plugs are pretty simple to inspect. One plug at a time, remove the plug, leaving it connected to the boot and insure the threads are solidly against the frame. When you press the start button, you should see arc across the plug lead. If you don't feel comfortable doing that, there are simple tools you can buy that you install inline with the plug wire. it lights a light when you press the button if everything is good.
If it's not any of those things, then your carbs. They can be very finicky.
#9
05-23-2018, 01:31 PM
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Let's get primitive with this. There are 3 things required to cause fire: oxygen, fuel and heat.
You are confident that fuel is being delivered to the fire pit (carbs). That leaves oxygen, heat, or the fire pit itself. Are you certain that the air passage isn't blocked? If so, your heat is the next thing to check. Spark plugs are pretty simple to inspect. One plug at a time, remove the plug, leaving it connected to the boot and insure the threads are solidly against the frame. When you press the start button, you should see arc across the plug lead. If you don't feel comfortable doing that, there are simple tools you can buy that you install inline with the plug wire. it lights a light when you press the button if everything is good.
If it's not any of those things, then your carbs. They can be very finicky.
You are confident that fuel is being delivered to the fire pit (carbs). That leaves oxygen, heat, or the fire pit itself. Are you certain that the air passage isn't blocked? If so, your heat is the next thing to check. Spark plugs are pretty simple to inspect. One plug at a time, remove the plug, leaving it connected to the boot and insure the threads are solidly against the frame. When you press the start button, you should see arc across the plug lead. If you don't feel comfortable doing that, there are simple tools you can buy that you install inline with the plug wire. it lights a light when you press the button if everything is good.
If it's not any of those things, then your carbs. They can be very finicky.
#10
05-23-2018, 04:15 PM
I have an f3 also. The carbs, when clean and dialed in are awesome. But they can be tough to get that way, especially the cleaning part. The passages in there are so tiny that the smallest thing can clog something.
But what's odd with your situation is that it barely fires. Usually it will either want to start or start and run like garbage.
But what's odd with your situation is that it barely fires. Usually it will either want to start or start and run like garbage.