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General Category >> Rubber Side Down! >> SV650 fork/front end swap?
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Message started by runrun on 12/06/11 at 08:50:15

Title: SV650 fork/front end swap?
Post by runrun on 12/06/11 at 08:50:15

I've never tried this sort of thing before, so would appreciate any thoughts. Any obvious reasons that this wouldn't work?

A while ago Motobuddah was noodling around with ideas for upgrading the Ryca's front brake, and one of them was some sort of SV650 caliper swap.

I'm wondering about an entire SV650 front end swap? I just checked out steering stem bearing sizes, and it looks like the 99-00 SV650 bearings are the same size as my 02 Ryca. I haven't gone any farther with this, i.e. comparing steering tube lengths, etc.

99-00 SV650 forks are still non-adjustable, but they're bound to be less flexy than than stock Savage, and you get dual discs and much better calipers. I'd want to go back to a spoked 18" front wheel rather than the mag, but that shouldn't be too hard. Ryca clip-ons wouldn't work with the bigger fork tubes either, and would need different switchgear, controls...

Thanks for any ideas.

Title: Re: SV650 fork/front end swap?
Post by verslagen1 on 12/06/11 at 09:59:59

Many of the GS bikes have nearly the same head tube dimensions.

What you'll need to look at is the geometry especially with the altered RYCA bikes. You don't want to get the steering too quick.

I posted a steering geometry article a while back. take a few dim's off the dealers bikes and see what works.

Title: Re: SV650 fork/front end swap?
Post by MotoBuddha on 12/06/11 at 10:05:33

The geometry with the Ryca conversion, based on their numbers, is still slightly slower than something like a Bonneville.

But if you raise the rear and go with something like a GS front end (or an SV, if it fits) with its flatter triple trees, you'd get much quicker.

Title: Re: SV650 fork/front end swap?
Post by verslagen1 on 12/06/11 at 11:34:45

Almost forgot, with the flatter trees, expect to need to mod the stops or the forks will hit the tank.

Title: Re: SV650 fork/front end swap?
Post by runrun on 12/06/11 at 12:27:21

746770716E6365676C33020 wrote:

Almost forgot, with the flatter trees, expect to need to mod the stops or the forks will hit the tank.

Verslagen, what part of the forks would hit the tank? Just can't picture it.

Title: Re: SV650 fork/front end swap?
Post by verslagen1 on 12/06/11 at 12:34:31

The savage forks have a lot of offset, the forks are in front of the head tube, let's say 4" (don't have one in front of me like I'd wish)

Sport bikes like the GS and SV are relatively flat, let's say 1 to 2".

Turn the bars 45° on the savage and you still got clearance between the tubes and the tank.

Do that on the sport bike and you hear a clank.

Title: Re: SV650 fork/front end swap?
Post by runrun on 12/06/11 at 12:41:04

Gotcha. Thanks, would hate to ding my Rustoleum paint job :-)