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+--- Thread: Lowering the Yokes Gen 1 (/showthread.php?tid=83835)
Lowering the Yokes Gen 1 - Decoke Dave - 11-08-25
Any knowledgeable people out there know how much fork leg I can have showing through the top yoke on my Thou? I have fitted dog bones to lower the rear and yes I am somewhat squat, short arsed, in stature!
RE: Lowering the Yokes Gen 1 - PieEater - 11-08-25
I think about 12mm - 15mm, much more and you'll risk the yoke hitting the mudguard before the forks bottom out.
RE: Lowering the Yokes Gen 1 - Gnasher - 11-08-25
Lift the fork tubes the same amount as you've lowered the rear from standard i.e. if you've lowered the rear by 25mm, do the same to the forks. It must be from standard settings to keep the rake/castor measurements correct. Just remember you'll lose ground clearance.
RE: Lowering the Yokes Gen 1 - PieEater - 11-08-25
If you want to find the maximum you can lower the yokes then I'd put a cable tie round one of the stanchions and try to get the forks to bottom out either by bouncing the front end up and down, or doing a few emergency brakes, or a combination of the both. Once you've found the point where the forks bottom out, theoretically you'd be able to lower the yokes to the top of the cable tie, but I'd personally leave some room for margin of error.
RE: Lowering the Yokes Gen 1 - Gnasher - 11-08-25
(11-08-25, 01:25 PM)PieEater Wrote: If you want to find the maximum you can lower the yokes then I'd put a cable tie round one of the stanchions and try to get the forks to bottom out either by bouncing the front end up and down, or doing a few emergency brakes, or a combination of the both. Once you've found the point where the forks bottom out, theoretically you'd be able to lower the yokes to the top of the cable tie, but I'd personally leave some room for margin of error.
Suspension travel length ie bottoming out. Has nothing to do with ride height, rake/castor which have a direct affect on steering and how the bike handles.
RE: Lowering the Yokes Gen 1 - PieEater - 12-08-25
(11-08-25, 01:46 PM)Gnasher Wrote:(11-08-25, 01:25 PM)PieEater Wrote: If you want to find the maximum you can lower the yokes then I'd put a cable tie round one of the stanchions and try to get the forks to bottom out either by bouncing the front end up and down, or doing a few emergency brakes, or a combination of the both. Once you've found the point where the forks bottom out, theoretically you'd be able to lower the yokes to the top of the cable tie, but I'd personally leave some room for margin of error.
Suspension travel length ie bottoming out. Has nothing to do with ride height, rake/castor which have a direct affect on steering and how the bike handles.
Hey Gnasher,
Thanks for the reply — you make a fair point that ride height and fork travel are different things, and that changes to rake, trail, and suspension geometry have a more direct impact on handling.
Just to clarify though — my suggestion to use a cable tie wasn’t about trying to maintain stock geometry or copy Yamaha’s original setup. It’s simply a practical way to check how much fork leg is available before you risk running into clearance issues, like the mudguard hitting the lower triple under full compression. It’s more of a safety check than a geometry guide.
That said, I’ve definitely had positive results from adjusting ride height myself. I’ve tried both raising the rear and dropping the yokes slightly, and found it really sharpened up the handling and made the bike feel more responsive — so I’m all for experimenting and finding what works best for the individual rider.
If someone’s planning changes like this, I just think it’s worth confirming how much usable fork travel they’ve got, so they can make adjustments with confidence and avoid any surprises.
Appreciate the discussion — always good to have different viewpoints on this kind of thing.
RE: Lowering the Yokes Gen 1 - robbo - 12-08-25
Another minor consideration might be to consider a cut down side stand to restore a positive lean when in use. Also using the centrestand might require a fair bit of effort to allow it to lock in place.
Mine is the exact opposite with a 50mm jack up?