#121
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Managed to pick up a complete front end off a 2006 yz450f for $250 including wheel brake m/c plastics t/clamps.
Just to confirm if I change the bottom head stem bearing and get a steering stop sorted I can fit the complete front end?? Forks will be revalved and new springs, what spring rate should I look at? Im 70kg no gear. What is the measurements of the bearing I need? Where will this leave me in terms of fork/axle offset compared to stock? Thanks for any help
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06 EC250 |
#122
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I haven't done a full front end swap, so can't comment 100% what's involved.
I can point you to this thread though! http://www.gasgasrider.org/forum/showthread.php?t=14592 and this one too. http://www.gasgasrider.org/forum/sho...t=12745&page=3 You'd have to check the offsets for that particular Yamaha model. The GG uses a 22mm triple, and 35mm lug offset if I recall correctly. YZ 2T uses 25mm triple and 32mm lug, so same same. I reduced total offset by 3mm with my fitment, and notice the difference in terms of force required to steer the bike, but don't find it bad at all (but that's on a 13 chassis too). |
#123
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I thought that I'd tack this onto Jakobi's thread since he's mentioned the WR's in his original post
I'm looking at a set of KYB forks off an 08 or 09 WR450F Does anyone have any opinions on whether these are worth the effort to swap with the sach's on my 09 ec300, or should I hold out longer (and more $) for a SSS set? My intention is to use the gasser triples and front wheel (as it's set up with a tubliss system) and the WR axle, a braking brake caliper mount etc... I've gotten myself confused with the various fork options, so some clarity would be appreciated I'm not fast by any means, and the bike will be set up for technical bush/woods riding, but I also want it to be capable over woops, braking bumps/trail trash and not too soft for casual club MX The other issue is that my top triple clamps are for 54mm OD forks, whereas the WRF's are apparently 55.5mm OD. I've had varying opinions on whether I "could" get them into my clamps, and whether I "should" do it given that it'll put some pressure on the tubes |
#124
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Don't force them, that would be bad. You could easily have someone bore them to match, I would think. Only 0.75mm off the clamp, shouldn't cause too much grief.
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Phil (New bike pending...) |
#125
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Quote:
That'll be my plan I think if they don't fit. There looks to be plenty of material on the clamps so it shouldn't weaken them. I prefer this over swapping out the triples completely for the WRF ones, and then trying to sort out a steering stop Sent from my iPhone using Tapatalk |
#126
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Can any one tell me if when I measure the trail at the front axle, whether i measure from the axle centreline back to the centre of the fork leg , PERPENDICULAR to the fork leg, or PARALLEL to the ground?
Sent from my iPhone using Tapatalk |
#127
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Quote:
He measured his forks and got 59mm lower clamp 56mm upper. Just like my 2006 YZ250 forks. Your chart indicated they should be 54mm. Should I go measure to be sure? YZF450 seem most common over here for spares. The -3 lug if we go 08,09, Should be ok on the 10 do we now think? Do we need WR axle or mod YZF? Cheers.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#128
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Quote:
I believe the 46mm OC Zokes used an even smaller triple clamp than the 48mm Sachs/PFP Zoke. I'm sure I recall reading threads on people considering milling them out. My guess is that your mate has tried to measure the ID of the clamp with the fork out and bolts backed off. Could see how that would get a few mm variance. I threw a set of calipers straight onto the fork tube... and can double check those measurements again for you if required (although my KYBs have just moved on, I have a new set on the new bike). |
#129
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Roger that. He's now chasing some 06 yzf450 which look from your list to be 35mm lugs. Throwing in the wheel too which is only any good if the disc is OK. But with 250 yz disc and 35 offset the GG brake caliper may be seated a bit rearward. I think.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#130
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I have an 06 and I'm trying to reason my way through the switch from 45 Zokes to KYB.
Are the stock lower clamps sized such that the YZ KYB forks fit? I got this impression some how. Could you use a YZ upper triple clamp and keep the Gas Gas stock clamp for the lower?
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2006 Gas Gas EC250 2011 Husaberg FE390 Last edited by Brian; 02-03-2020 at 12:40 AM. |
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