Gearchange has become stiff

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Daddy Dom
Posts: 519
Joined: 16 Nov 2006 19:48
Location: Auckland, New Zealand

Gearchange has become stiff

Post by Daddy Dom »

I was turning round at home and for some reason the momentum went, I lost balance and ended up in the gutter. When I righted myself and my bike I saw the linkage shaft on my Tarozzi rearsets had snapped right by the mount at the gearbox end. I made a fix using the old shorter linkage and two hose clips.

It worked well enough but when I fitted the new linkage rod my beautifully smooth gear-change action had disappeared. I've looked it over and can see nothing logical that accounts for it. It's stiffer changing down than up and feels almost normal around 3rd and 4th.

I don't know if this stiffness is due to whatever caused the bike to just lock up in the first place, or have I fitted the rod some wrong way but can't see why? It's not rubbing on anything I can see and all was okay with my roadside fix.

There's a tiny crack on the bar that holds the toe-lever but everything else is as sloppily loose, as is usual with Tarozzis.

Thanks in advance,
Dom
MRC 3082½
John Bunting
Posts: 104
Joined: 25 Nov 2009 13:36
Location: Kano Nigeria

Re: Gearchange has become stiff

Post by John Bunting »

Daddy Dom wrote:I was turning round at home and for some reason the momentum went, I lost balance and ended up in the gutter. When I righted myself and my bike I saw the linkage shaft on my Tarozzi rearsets had snapped right by the mount at the gearbox end. I made a fix using the old shorter linkage and two hose clips.

It worked well enough but when I fitted the new linkage rod my beautifully smooth gear-change action had disappeared. I've looked it over and can see nothing logical that accounts for it. It's stiffer changing down than up and feels almost normal around 3rd and 4th.

I don't know if this stiffness is due to whatever caused the bike to just lock up in the first place, or have I fitted the rod some wrong way but can't see why? It's not rubbing on anything I can see and all was okay with my roadside fix.

There's a tiny crack on the bar that holds the toe-lever but everything else is as sloppily loose, as is usual with Tarozzis.

Thanks in advance,
Dom
Dom,
Lost your balance and ended up in the gutter, was this Saturday night after closing time??
If the selector shaft broke off in the fall, it could also be bent inside the case.
Best you have look inside.
Regards
John
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Daddy Dom
Posts: 519
Joined: 16 Nov 2006 19:48
Location: Auckland, New Zealand

Re: Gearchange has become stiff

Post by Daddy Dom »

No, just a boring Wednesday afternoon...
I will look inside the case today but can't understand why it was fine with the botched fix to the old rod and stiff after refitting a brand new, identical rod. God knows why it even sheared off in the first place.
Dom
MRC 3082½
John Bunting
Posts: 104
Joined: 25 Nov 2009 13:36
Location: Kano Nigeria

Re: Gearchange has become stiff

Post by John Bunting »

Hi Dom,
Have your gear link rods got clevis joints or spherical rod ends? the clevis has to be in correct alignment to push pull without any side movement, spherical joints allow much more miss alignment?
John
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