Author Topic: Rough gear change  (Read 481 times)

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Offline Caffs

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Rough gear change
« on: May 08, 2021, 13:34:22 »
I'm experiencing some "rough" clunky gear changes especiallygoing into 1st, my mechanic tells me the chains not slack, although I'm not so sure. I clean and lube the chain regularly, I let the bike warm up before riding, as a caveat she's only covered 4600 miles.

I'm considering an oil change, do you think this might help?

When I picked her up the change was silky smooth, I'm not a hard rider.

Any input would be helpful.  :ty:

Offline Rusty Nuts

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Re: Rough gear change
« Reply #1 on: May 08, 2021, 13:59:48 »
How long since the last oil change? The glee gearbox always thanked me for fresh oil.

Offline Caffs

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Re: Rough gear change
« Reply #2 on: May 08, 2021, 14:15:14 »
According to the service history 1000 miles since the last change (book stamped), It had been done prior to purchase apparently but I'm not so sure.

Offline oslin

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Re: Rough gear change
« Reply #3 on: May 08, 2021, 14:18:46 »
I would get it done ans see how you get on, otherwise it might be a selector problem which is not a common fault at all, you can get linkage problems on some bikes I would check that as well.

Offline kwackboy

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Re: Rough gear change
« Reply #4 on: May 08, 2021, 14:26:35 »
I'd check the fluid level in the clutch master cylinder before you start changing oil.

If it's low, it possible your slave cylinder may have a slight leak.
Chief trouble maker 🙂

Offline Rixington43

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Re: Rough gear change
« Reply #5 on: May 08, 2021, 14:31:41 »
Good shout on clutch. Even just bleeding and replacing rancid old clutch fluid seemed to fractionally improve mine, like the clutch wasn't completely disengaging. I do also have grip puppies though which reduces the lever throw but the fluid swap still helped.

Offline Barbel Mick

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Re: Rough gear change
« Reply #6 on: May 08, 2021, 16:18:19 »
An oil change has always improved an awkward gearbox on mine but IF it was done a 1000 miles back surely it shouldn't be that? I'm talking around 4k miles.
I'd agree with checking the clutch is all OK first.
Mick

Retired Breakfast Tester.

Offline porter

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Re: Rough gear change
« Reply #7 on: May 08, 2021, 17:55:23 »
Check or do all of what's been said before but these bikes do have a clunky change, netrual to first and first to second. Chain tension is crucial, the loser the clunkyer. There is a rear sprocket spacer you can buy, I have one, I think it helps a bit and so does the clutch basket mod but your way off that mileage yet. Maybe the dealer used a cheap oil, they usually do, try something better.

Offline Caffs

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Re: Rough gear change
« Reply #8 on: May 21, 2021, 21:52:34 »
Thanks for all the replies its much appreciated, complete fluid (Dot 4) and oil change to fully synthetic has made so much difference, on inspection of the oil filter it would appear that it was on the original factory one and it looked like someone had taken a crap in the oil, which would further confirm my suspicion that either the "last service" was spoofed for the sale or just really cheap oil.
Suffice to say she's back to silky smooth running once more.  :ty:

Offline Joe Rocket

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Re: Rough gear change
« Reply #9 on: May 21, 2021, 22:01:59 »
Occam's razor event. (Most known occurence in 'Contact' with Jodie Foster but misunderstood)

Glad it's sorted.  :thumb:
Can't wait to get my hands on a pair of budgie smugglers from OZ.........

Offline infidel

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Re: Rough gear change
« Reply #10 on: May 30, 2021, 19:04:06 »
The clutch fluid tends to go fastest on all the big Suzuki v-twins. My SV100 is terrible for it, used to change it monthly. My L7 strom was much better but still went black pretty rapido - think its probaly the heat - its gets pretty warm down there by the magneto.
If it has two wheels.. I'll ride it.