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GS500F Fork springs help.
- Thread starter frozen
- Start date
bigpoppa
Well-known member
-Try to loosen the drain bolt and fork cap while the forks are still clamped in
-When installing drain bolt, assemble the fork, the weight of all the parts helps in torquing it down(you can add fork oil once the drain bolt as been
fully installed and torqued)
-Take pictures before you take everything apart for reference
You can get new springs from dealers, or online retailers
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2005 Suzuki GS500F FRONT DAMPER (MODEL K4/K5/K6) assembly detail & product fiche. Shop original factory replacement parts at RevZilla today!
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TK4
Well-known member
These are U.S. prices, but any local shop can get them for you - Parts Canada is a distributor.
RT - Digital Product Search
RT - Digital Product Search
Trials
Well-known member
California? I hear there is a very famous motorcycle suspension mechanic somewhere near Belleville, I think I would go there first, pretty sure he accepts Canadian money.
... like the ghost says, what are you trying to do? Replace worn springs or improve the handling characteristics. Front fork springs will be progressive wound (usually more suited to street and comfort riding) or straight wound (generally preferred for competition performance)
Used fork springs or entire forks can be had at a wreckers comparatively cheap.
... like the ghost says, what are you trying to do? Replace worn springs or improve the handling characteristics. Front fork springs will be progressive wound (usually more suited to street and comfort riding) or straight wound (generally preferred for competition performance)
Used fork springs or entire forks can be had at a wreckers comparatively cheap.
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TK4
Well-known member
Who said anything about California ?
Any shop in the GTA can get Racetech fork springs.
If OP is at all handy he can put them in himself, and maybe change the fork out while he's at it - its likely never been done and what comes out will look like sludge.
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TK4
Well-known member
I wrote: "Parts Canada is a distributor. "
I believe Motovan may carry them as well.
The link was to show the availability, along with other technical information.
If you know of any Canadian suspension manufacturers other than Elka, I'd love to hear about it.
TK4
Well-known member
Did you bother to click on the link ?
I had a gs500 and the suspension was its downfall...installed progressive front springs and a rear shock from a r6 (bolt on..no mods). WOW , what a difference....handled 100% better...no more bottoming the suspension...best mod for that bike without breaking the bank.....check out the gs forum....you won't be sorry
TK4
Well-known member
You wanna play you gonna pay. BTW - that's for the pair.
Trials
Well-known member
... I will lay you odds that if race tech sells you performance springs, they will be a fixed rate spring and not a progressive wound spring :/ they put progressive wound springs onto street bikes so it can soak up little bumps, progressive wound springs are not a typical race or performance upgrade.
vs.
frozen
Well-known member
Thanks for the input guys. My intent is to stiffen the front springs. They are a bit squishy for my liking. Not sure if the springs are worn or maybe just low on oil, or maybe just worn oil. I bought the bike used and have no idea if the fork oil has ever been changed. My goal is to change the oil and springs. I feel confident I can complete the task as i am fairly mechanically inclined. I live in Ottawa and would prefer to purchase from a canadian supplier.
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Trials
Well-known member
First off I can almost guarantee your front forks have never been properly serviced.
You should do that and see what is in there that you have to deal with. Have somebody familiar with fork servicing assist you the first time.
... my wild guess is that you have a progressive wound spring in there now.
Symptom of low oil volume is that your shock absorber will not function in part of its travel.
Trials
Well-known member
Springs are made by huge companies that do nothing except twist and temper wire.
All the spring does is carry weight.
When you see a progressive wound spring, that spring has a section of its length that will respond to light loads, as well as the normal linear spring rate through the rest of its length, example a 20-80 pound progressive wound spring will react to as little as a 20 pound variance in the weight being carried, the rest of the spring will not react until it is subjected to an 80 pound change in the load. A 80 pound liner rate spring will not react until you put 80 pounds on it, then it's going to compress a known amount
about an inch, if it's rated at 80 pounds per inch.
All the spring does is carry weight.
When you see a progressive wound spring, that spring has a section of its length that will respond to light loads, as well as the normal linear spring rate through the rest of its length, example a 20-80 pound progressive wound spring will react to as little as a 20 pound variance in the weight being carried, the rest of the spring will not react until it is subjected to an 80 pound change in the load. A 80 pound liner rate spring will not react until you put 80 pounds on it, then it's going to compress a known amount
about an inch, if it's rated at 80 pounds per inch.
frozen
Well-known member
It would seem it's not low on oil then because it seems to travel smoothly, I am used to riding in dirt, i realize that off road bikes tend to be stiffer but on the GS i find it dives too much when braking hard or with a passenger.
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Huh? Your logic has come off the rails Trials. Every spring moves when you put any weight on it. The distance it moves is proportional to the spring rate. 20 lbs on 20-80 lb progressive should get you ~1". 20 lbs on an 80 lb straight spring should get you ~0.25".Springs are made by huge companies that do nothing except twist and temper wire.
All the spring does is carry weight.
When you see a progressive wound spring, that spring has a section of its length that will respond to light loads, as well as the normal linear spring rate through the rest of its length, example a 20-80 pound progressive wound spring will react to as little as a 20 pound variance in the weight being carried, the rest of the spring will not react until it is subjected to an 80 pound change in the load. A 80 pound liner rate spring will not react until you put 80 pounds on it, then it's going to compress a known amount
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