Popping Out of 3rd Gear - Honda Shadow Forums : Shadow Motorcycle Forum
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post #1 of 17 (permalink) Old 06-08-2019, 11:46 AM Thread Starter
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Popping Out of 3rd Gear

So, I finally got my project 86 VT1100 running decent enough to test ride it. Other than slight throttle issues it was great, and the sense of accomplishment was high.
Got it out on the main road, and while I was in 3rd gear I gave it some good throttle and it acted like it popped out of gear. When I let out the throttle it was back in gear without having to do anything.

My internet sleuthing leads me to think it is a bent shift fork. Does that sound about right? Is there any way to check before cranking open the crankcase?

Thanks all!

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post #2 of 17 (permalink) Old 06-08-2019, 02:45 PM
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You sure it wasn't clutch slippage?


http://2007 Shadow Spirit VT750C2, Ride bell by h13man, Ride cross by Capt D
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post #3 of 17 (permalink) Old 06-08-2019, 04:12 PM
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I have heard other guys with an 1100 and 3rd gear caused a problem. But I thought it was a few years later than yours.
It may be a worn fork not holding it in position=- ?
Try snapping it in into 3rd gear to see if it can pop all the way in and stay there.

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post #4 of 17 (permalink) Old 06-08-2019, 04:50 PM Thread Starter
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Quote:
Originally Posted by swifty2014 View Post
I have heard other guys with an 1100 and 3rd gear caused a problem. But I thought it was a few years later than yours.
It may be a worn fork not holding it in position=- ?
Try snapping it in into 3rd gear to see if it can pop all the way in and stay there.
It stays in gear except when I get on the throttle, and pops back in when I let off throttle. Not sure I understand what you mean about popping it in and staying there.


ETA... The shifter doesn't move. It is like it goes into neutral, but engages again when I let off throttle.

Last edited by Agapedad; 06-08-2019 at 05:57 PM.
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post #5 of 17 (permalink) Old 06-08-2019, 04:50 PM Thread Starter
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Originally Posted by smilie View Post
You sure it wasn't clutch slippage?

Not sure about anything!
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post #6 of 17 (permalink) Old 06-08-2019, 07:37 PM
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Possible wear on the lugs or dogs that actually transfer the power. If they are tapered from wear they wouldn't want to stay in .Here is what is happening inside the trans.



Only a biker knows why a dog sticks his head out of a car window.
1983 750 Shadow
From the past=
1951 Cushman scooter
1962 Honda 305 Dream
1965 Honda 305 Dream
1971 Honda 175 scrambler
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post #7 of 17 (permalink) Old 06-08-2019, 08:03 PM
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Originally Posted by Agapedad View Post
ETA... The shifter doesn't move. It is like it goes into neutral, but engages again when I let off throttle.
MY money is on clutch slippage,i would be inclined to think jumping in and out of gear would be accompanied with a ratcheting noise while it's not engaged.
My thoughts are; wrong oil (not motorcycle spec.) Incorrect adjustment, worn clutch.

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post #8 of 17 (permalink) Old 06-08-2019, 09:31 PM
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Do a simple clutch test. Get up to about 40+ MPH in 4th gear. Pull the clutch and rev up to 4 or 5000 PM and drop the lever. It should pull the engine back down and lug if you keep about 1/2 throttle. If it flares and stays high the clutch can't grab ahold anymore.

Only a biker knows why a dog sticks his head out of a car window.
1983 750 Shadow
From the past=
1951 Cushman scooter
1962 Honda 305 Dream
1965 Honda 305 Dream
1971 Honda 175 scrambler
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post #9 of 17 (permalink) Old 06-08-2019, 10:02 PM Thread Starter
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Thanks guys. I'll start checking the clutch. I just had changed the oil before heading out. Put in Valvoline motorcycle 10w40.
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post #10 of 17 (permalink) Old 06-08-2019, 10:49 PM
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Quote:
Originally Posted by swifty2014 View Post
Do a simple clutch test. Get up to about 40+ MPH in 4th gear. Pull the clutch and rev up to 4 or 5000 PM and drop the lever. It should pull the engine back down and lug if you keep about 1/2 throttle. If it flares and stays high the clutch can't grab ahold anymore.
I'm inclined to lean toward a clutch issue. If it was happening in 2nd gear, it would be dropping into neutral, and that could be a bent (or installed backwards) shift fork or worn dogs on the inner portion of second gear itself. The 4th gear test is a great suggestion, since it is located on the opposite end of the tranny gears and should have much less chance of coming disengaged. Might be time for a set of clutch springs and plates. Keep in mind that if the ckutch was run before with non-motorcycle synthetic oil, the plates will have absorbed the slick stuff and need to be replaced since they'll never grab properly under load again.


If it jams, force it. If it breaks it needed replacing anyway.
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