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FJR Motorcycle Forums
Technical & Mechanical Problems
Fork Oil and Spring Service NEEDED
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<blockquote data-quote="MCRIDER007" data-source="post: 1255958" data-attributes="member: 329"><p>I'm not familiar with partzilla but the GEN3 shocks have been selling for $390-420. I have bought several springs from SonicSprings.com but I have also been very happy with the OEM springs in my '13A. Springs are not a true "drop-in" unless the new springs are the same length of the old springs, the general rule of thumb is that the spring plus spacer should be the same length as what you are replacing but going to much heavier springs may require a bit of spacer shortening to keep the sag and steering geometry consistent. You should measure your sag with the old springs before you remove them to get an idea what adjustments are going to have to made to the spacers to get the proper sag with the new springs.</p><p></p><p>Linear springs are better than dual rate or progressive springs because (at least in theory) they give more consistent damping. Most dual rate springs are mostly a marketing gimmick because the weight of the bike and rider will bind all of the tightly wound springs and you end up riding on the heavier portion of the springs almost all the time.</p></blockquote><p></p>
[QUOTE="MCRIDER007, post: 1255958, member: 329"] I'm not familiar with partzilla but the GEN3 shocks have been selling for $390-420. I have bought several springs from SonicSprings.com but I have also been very happy with the OEM springs in my '13A. Springs are not a true "drop-in" unless the new springs are the same length of the old springs, the general rule of thumb is that the spring plus spacer should be the same length as what you are replacing but going to much heavier springs may require a bit of spacer shortening to keep the sag and steering geometry consistent. You should measure your sag with the old springs before you remove them to get an idea what adjustments are going to have to made to the spacers to get the proper sag with the new springs. Linear springs are better than dual rate or progressive springs because (at least in theory) they give more consistent damping. Most dual rate springs are mostly a marketing gimmick because the weight of the bike and rider will bind all of the tightly wound springs and you end up riding on the heavier portion of the springs almost all the time. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Fork Oil and Spring Service NEEDED
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