03-11-17, 07:37 PM
Well done Robbo, you confirmed what i wondered/guessed that the last 2 numbers are the spring rate I believe, so 80 is 8 N/mm, 85 is 8.5 N/mm and so on.
Most Ohlins motorcycle springs will fit as long as the are the right outside diameter, the original springs are 35 mm outside diameter and 318 mm long, that is the ones that came out of my 2002-03 Foxeye (2002 model 2003 registered) FZS 600. Just been up to the shed and measured them.
The Ohlins SV650 linear springs were 34 mm outside diameter and 308 mm long.
The difference of 1 mm in outside diameter made no difference as the SV650 fork leg inside diameter is the same as the FSZ 600 and they sat comfortably on the tops of the YSS emulators.
The difference in spring length can be overcome (As long as they are reasonably close) by either cutting material from the top tube spacer or if the springs are a little to short by adding 35 mm penny washers to the top of the tube spacers (Available on eBay) but make sure that you put the original solid steel disk/washer to the top of the stack or it will impact on the fork pre-load adjusters.
My guess would be that the 8 N/mm spring would be OK for a rider weighing no more than about 12 - 13 stones fully togged/clothed to ride (76 - 82 kilos)
if the seller is asking for £60 and they have only been in the bike a short while they are a bargain.
I paid almost twice that amount for mine, but they were new.
Most Ohlins motorcycle springs will fit as long as the are the right outside diameter, the original springs are 35 mm outside diameter and 318 mm long, that is the ones that came out of my 2002-03 Foxeye (2002 model 2003 registered) FZS 600. Just been up to the shed and measured them.
The Ohlins SV650 linear springs were 34 mm outside diameter and 308 mm long.
The difference of 1 mm in outside diameter made no difference as the SV650 fork leg inside diameter is the same as the FSZ 600 and they sat comfortably on the tops of the YSS emulators.
The difference in spring length can be overcome (As long as they are reasonably close) by either cutting material from the top tube spacer or if the springs are a little to short by adding 35 mm penny washers to the top of the tube spacers (Available on eBay) but make sure that you put the original solid steel disk/washer to the top of the stack or it will impact on the fork pre-load adjusters.
My guess would be that the 8 N/mm spring would be OK for a rider weighing no more than about 12 - 13 stones fully togged/clothed to ride (76 - 82 kilos)
if the seller is asking for £60 and they have only been in the bike a short while they are a bargain.
I paid almost twice that amount for mine, but they were new.