Polaris Australia and more importantly, this particular dealer or Indian outlet here in Australia http://antiquemotorcycle.com.au will not warranty fork seals or bushings or bike warranty if the owner decides to upgrades his/her bike suspension or places aftermarket upgrades on any Polaris manufactured motorcycle, if the owner installs the upgraded parts themselves, this will void warranty, the reason been that the upgraded parts wasn't sold or purchased through his outlet and installed by a qualified mechanic appointed by Polaris Australia, and if and when you take your Indian back to Antique Motorcycles for a possible warranty issue, they/Polaris will void your Indians warranty.
This came about when a customer who purchased the suspension kit from a retail outlet, installed it themself then road more than 1000 kilometres on the scout when he noticed the seal on the right fork began to fail, the scout is still under warranty at this stage.
He took the scout back to the place of purchase http://antiquemotorcycle.com.au (John) informed him that it would not be covered by warranty as he (the owner) has changed or modified the forks by installing different oil and fork springs he (John) at Antique Motorcycles then insulted his own intelligence by quoting from the Polaris top 10 Bullshit quotes, and I’m quoting here “it’s the first I’ve heard of this happening” Well How f%&king Amazingly inapt is this dude or what, this guy supposably fixes, and rebuilds antique motorcycles and sells them, and he has no f%&king clue that fork seal can and do fail due to many reasons and installing correct fork oil and correct fork springs for a riders weight are sure not two of them.
Suspension on a motorcycle takes a pounding and it's only a matter of time until the fork seals leak. If you are a serious rider, you can count on fork seal related maintenance as part of your regimen. No matter how likely fork seal replacement may be at some point, it is important to realize that there are many possible causes of leaking fork seals.
- Failed seal
- The constant motion of the forks can wear the seal lip enough that the lip of the seal can no longer seal against the fork tube.
- A broken or stretched seal coil spring (the spring that is wrapped around the seal lip diameter) will result in a relaxed seal grip on the fork tube, facilitating leakage.
- Seal material can be damaged as a result of harsh riding conditions, fork mechanical problems or improper assembly.
- Seal material can fail by age (erosion the lip of the seal).
- Contact with chemicals that the seal material is not compatible with, which may cause hardening, softening or deformation.
- Seal installation problems
- Seal retaining clip not fully seated in clip groove or is dislodged from the groove completely. This allows the seal to float around in the seal bore, which will likely result in leaking.
- Seal not mounted squarely in fork tube. A seal will not seal properly unless it is fitted accurately. Because a seal is primarily made of an elastic material, it is possible to have a secure fit while being crooked.
- Missing back-up ring, if applicable. In many designs, a steel back-up ring is mounted behind the oil seal. If the back-up ring is missing, the seal can move in the seal bore, which will likely result in leaking.
- Debris under the seal lip
- A failed or worn dust seal will allow dirt to infiltrate the oil seal. Dirt will eventually push into the oil seal lip, causing a leak.
- Fork alignment problems can open the sealing surface during fork movement, allowing material into the sealing area.
- Fork alignment problems
- Fork tubes not in alignment due to improper front wheel mounting. Improper wheel mounting can cause the fork tubes to be out of parallel with each other.
- Fork tubes not in alignment due to triple clamp problems. With a hard impact or crash, the fork tubes can be twisted in the triple clamps, causing the forks to be out of parallel with each other.
- Fork tubes not equal in mounting height.
- Fork damage
- Bent fork tube(s).
- Inner fork tube surface severely worn, scratched, dented or pitted.
- Inner fork tube out of round.
- Fork slider bushings badly worn. Seals can open when there is sloppy fit between inner and outer fork tubes.
Listed above are reasons and possible causes why fork seals can and do fail, at some point sooner or latter fork seals will need replacing my advise here is to take you forks to a place that deals in dirt bikes as they replace fork seals quite often due to the harsh environment that the bike operates inn and as such they know what they are doing, if by chance the place you purchased the Indian from starts quoting from Polaris top 10 Bullshit quotes, then you know your in the wrong place.