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So, replaced rear shocks, do I need fronts?

  • Thread starter Thread starter donimo
  • Start date Start date
D

donimo

Guest
I am new to bikes, and wouldnt have know my bike needed shocks had you guys here told me it did.

How do you know that you need new front springs? Or seals? Or oil? Or???
 
If the seals don't leak you don't need them. Fork oil is one of the most overlooked maintainance items on any bike. You would be surprised how filthy it gets. As for springs you can do a static sag check to get an idea of where you're at or pull the springs and take some measurements to see if they are in spec.
 
So if I wanted to do a check without ripping the bike apart ( I need it to get to work every day) just to get a "whoa, that ain't right" idea, what would I do?

With my rears it was easy, I burned a strap I had put around the back to hold a bag on and it was over 6" above the rear tire, burned it off by the end of my road.

Fronts seem mushier than the new MDI's on the back but arent they supposed to be?
 
Get the front end up in the air with the wheel off the ground. Take a measurement between the bottom of the lower triple and the top of the fork lowers. Then with both wheels on the ground and your weight in the seat take another measurement. If your sag is more than about 1/3 of the total fork travel the springs are too light or worn out.

You really should consider flushing the fork and replacing the oil.
 
Last edited:
I will totally consider it, heh heh. No seriously I will add it to the list, just finding it REALLY hard to get the wife to let me work on the bike when "just an hour" always turns into 3-4.

When I play the "it's unsafe unless I fix it" card I get "then stop riding it" response, well played mrs. donimo, well played indeed.

I only "need" to ride it about 10km on 30-40mph roads, so it seems safe so far until I find time right?
 
donimo said:
I will totally consider it, heh heh. No seriously I will add it to the list, just finding it REALLY hard to get the wife to let me work on the bike when "just an hour" always turns into 3-4.

When I play the "it's unsafe unless I fix it" card I get "then stop riding it" response, well played mrs. donimo, well played indeed.

I only "need" to ride it about 10km on 30-40mph roads, so it seems safe so far until I find time right?
Click to expand...

I knew that there was something different about the "island"...ya guys use both measurements for distance and speed! :p :D

Another not so scientific method is by sitting on the bike while it's on both wheels and while holding the front brake, rock it back and forth as hard as you can. You should be able to see where the seals wipe the fork tubes. If you have more than 5" (you'll have to do the metric conversion for me) of travel you most likely need more fork oil and OR new springs. If you opt for the both, may I suggest the progressive springs. I hear they make a world of difference.
 
Dave8338 said:
I knew that there was something different about the "island"...ya guys use both measurements for distance and speed! :p :D

Another not so scientific method is by sitting on the bike while it's on both wheels and while holding the front brake, rock it back and forth as hard as you can. You should be able to see where the seals wipe the fork tubes. If you have more than 5" (you'll have to do the metric conversion for me) of travel you most likely need more fork oil and OR new springs. If you opt for the both, may I suggest the progressive springs. I hear they make a world of difference.
Click to expand...

Ha, nah I just try to convert for y'all, but I am better at some than others. I am ok at "normal" road speeds because I used to live 5min from the border and got used to the 30-50mph signs, where it gets weird for me is most of us think in small stuff in inches/feet (I am 6'5" tall) but for longer stuff its meters and km (the exit is 1500m away).

I will test er out when I get home, so much to do, does it ever end? hah, not sure I want it too! :D
 
donimo said:
just finding it REALLY hard to get the wife to let me work on the bike when "just an hour" always turns into 3-4.

When I play the "it's unsafe unless I fix it" card I get "then stop riding it" response, well played mrs. donimo, well played indeed.
Click to expand...

She CAN be replaced. Fix your bike.
 
You can stiffen up the front springs by choping off a hunk and replacing the lost height with a spacer. Try 3 inches for a start and increase as needed. And replace the fork oil while you are messing with it - use 15W.


Springs001.jpg


Springs002.jpg
 
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