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+--- Thread: 15w oil in front end (/showthread.php?tid=79406)
Re: 15w oil in front end - Slaninar - 18-03-18
Another example, analogue to Darrsi's. Bicycles again.
SRAM and Shimano components don't mix according to both the manufacturers manuals, data and recommendations. However, for one example, I've set up SRAM front derailleurs with Shimano front shifters to work perfectly fine - at least for both mine and the user's criteria. It just shifts as good as it shifts. When someone asks if it can work, I always say that it works "based on my knowledge and experience" (long way of saying IMO
). Just to be certain I've given a "full disclosure", since manufacturers say otherwise.On the other hand, if someone asks if Deore brakes are better than the Acera ones (higher and lower class Shimano equipment), it is also my opinion that Deores are better. But since both the manufacturer, testers, practically any other mechanic etc. also claim the same, I don't bother stressing out that it's my opinion, or based on "my knowledge and experience".
In both those cases, all I can say when asked a question is my opinion. It is (IMO) understood that it's an honest one - liars and demagogues can be spotted by often using the words honest, honestly etc (again IMO - not a psychologist, sociologist or similiar).
Re: 15w oil in front end - Disorderlypunk - 18-03-18
WTF IS HAPPENING
all i asked was about some oil weight in forks then it turned into changing springs which is fair and on subject
then it turned into the whole philosophical argument of the meaning of opinion
and then its turns into gearing systems for the lycra brigade
- FUCK IT im putting 15w in tommorow and will let you know if its a bit too harsh
might even put the 14t sprocket on and go be a hooligan down my country roads
Re: 15w oil in front end - Slaninar - 18-03-18
(18-03-18, 11:59 AM)Disorderlypunk link Wrote: WTF IS HAPPENING
all i asked was about some oil weight in forks then it turned into changing springs which is fair and on subject
then it turned into the whole philosophical argument of the meaning of opinion
and then its turns into gearing systems for the lycra brigade
- FUCK IT im putting 15w in tommorow and will let you know if its a bit too harsh
might even put the 14t sprocket on and go be a hooligan down my country roads
From my "experiments":
15w oil, all else being left equal will result in the forks resisting to go down a bit more, but also coming back up a bit slower. Hard braking followed by lots of smaller bumps will be a bad experience with that setup, forks will not go back from bottoming out quickly enough.
Adding more spring preload, without replacing the springs, will fix that to a point, but then you get a lot less sag when the bike is going at constant speed, which results, gain, in that lots of smaller bumps will cause more problems (forks will practically be bottomed "downwards" - no room to move away from the bike).
For the track, it's generally better than stock, for the street - only if you are on the heavier side.
Re: 15w oil in front end - darrsi - 18-03-18
(18-03-18, 11:59 AM)Disorderlypunk link Wrote: WTF IS HAPPENING
all i asked was about some oil weight in forks then it turned into changing springs which is fair and on subject
then it turned into the whole philosophical argument of the meaning of opinion
and then its turns into gearing systems for the lycra brigade
- FUCK IT im putting 15w in tommorow and will let you know if its a bit too harsh
might even put the 14t sprocket on and go be a hooligan down my country roads
Sounds like a plan to me.
Make sure you use the correct levels as i've seen people on YouTube before giving incorrect measurements due to the year of the bike, and that will make an unwelcome difference.
My bike has older forks on for example without the adjusters so needs different levels to the year of the bike in the manual.
Re: 15w oil in front end - fazersharp - 18-03-18
I feel a bit left out and missing a fight. My honest opinion is that you must all be fat arses because I find the forks just perfect for my weight the way they came out of the factory. BUT at 20 years I can understand the springs have had some wear but would the oil of lost any of its original properties.
Re: 15w oil in front end - darrsi - 18-03-18
(18-03-18, 01:44 PM)fazersharp link Wrote: I feel a bit left out and missing a fight. My honest opinion is that you must all be fat arses because I find the forks just perfect for my weight the way they came out of the factory. BUT at 20 years I can understand the springs have had some wear but would the oil of lost any of its original properties.
Think you're due a change mate. :lol
https://www.motorcyclistonline.com/how-to/oil-change-intervals-your-suspension-street-savvy
Re: 15w oil in front end - fazersharp - 18-03-18
(18-03-18, 01:51 PM)darrsi link Wrote: [quote author=fazersharp link=topic=23880.msg276976#msg276976 date=1521377044]
I feel a bit left out and missing a fight. My honest opinion is that you must all be fat arses because I find the forks just perfect for my weight the way they came out of the factory. BUT at 20 years I can understand the springs have had some wear but would the oil of lost any of its original properties.
Think you're due a change mate. :lol
https://www.motorcyclistonline.com/how-to/oil-change-intervals-your-suspension-street-savvy
[/quote]
Hmm I see, for me it would defiantly be OEM because if there has been a degradation then its been slow and I have not noticed it so wouldn't want to over do the the difference by using 15w. I am Only at 20k miles though.
Re: 15w oil in front end - daviee - 18-03-18
not as big a difference from 10 to 15 weight oil i changed mine and tbh all it done was firm it up a bit
Re: 15w oil in front end - darrsi - 18-03-18
(18-03-18, 02:15 PM)daviee link Wrote: not as big a difference from 10 to 15 weight oil i changed mine and tbh all it done was firm it up a bit
That was my whole point to begin with :lol
Re: 15w oil in front end - mtread - 18-03-18
<quote> not as big a difference from 10 to 15 weight oil i changed mine and tbh all it done was firm it up a bit </quote>
Isn't that that the point of heavier oil?
Re: 15w oil in front end - Disorderlypunk - 18-03-18
not got oil yet but got the afternoon free so pulled the forks and dismantled - sat upside down draining now
well what an aroma, not as fishy as described more smells like black treacle same colour aswell
can see the contaminents in it a mile away so im glad im changing it out - its one of those things people tend to forget about
- do wish i had ordered fork seals aswell but i totally forgot
Re: 15w oil in front end - tommyardin - 18-03-18
(18-03-18, 11:59 AM)Disorderlypunk link Wrote: WTF IS HAPPENING
all i asked was about some oil weight in forks then it turned into changing springs which is fair and on subject
then it turned into the whole philosophical argument of the meaning of opinion
and then its turns into gearing systems for the lycra brigade
- FUCK IT im putting 15w in tommorow and will let you know if its a bit too harsh
might even put the 14t sprocket on and go be a hooligan down my country roads
Hey Punk put 15 weight in one side and 7.5 weight in the other see which you prefer. :lol
The crack is good in Cricklewood lol!
Re: 15w oil in front end - Disorderlypunk - 19-03-18
it really liked cornering with 7.5 in the right hand side
couldnt get take a left off the roundabout though :lol :lol :lol
feels pretty good with 15w in it but i havent had a chance to really get out on the open roads yet only had it up to about 40 but its taking the pot holes alot better (i even started aiming for them to see how it took the ones i know are bone shakers)
Re: 15w oil in front end - tommyardin - 19-03-18
:eek
Cool it looks like a success :thumbup
Re: 15w oil in front end - matt7chunk - 19-03-18
15w arrived today but way to cold for the shed! And have to work all week , hopefully get it changed Wednesday, Quick question, the air gap is measured with spring and Spacer out of the fork right ?
Re: 15w oil in front end - robbo - 19-03-18
Yep.Spring out and fork compressed.
Re: 15w oil in front end - tommyardin - 19-03-18
(19-03-18, 10:05 PM)robbo link Wrote: Yep.Spring out and fork compressed.
:thumbup
Re: 15w oil in front end - Triggergee - 20-03-18
I was wondering the same thing about spring in or out, thanks again foccers
Re: 15w oil in front end - tommyardin - 20-03-18
Empty compressed legs, with the exception of the damper rods, they are in place.
(Stanchion pushed down inside the bottom sliders)
One thing to watch out for is that it is possible for the stanchions to jam right down at the bottom of the sliders if you bang them down or even allow them to drop down inside under there own weight, they can be a bugger to shift, I had to hold one leg clear of the ground and whack it several blows with a leather mallet on the caliper mounting lugs to free it.
Re: 15w oil in front end - Disorderlypunk - 20-03-18
(20-03-18, 09:19 AM)tommyardin link Wrote: Empty compressed legs, with the exception of the damper rods, they are in place.
(Stanchion pushed down inside the bottom sliders)
One thing to watch out for is that it is possible for the stanchions to jam right down at the bottom of the sliders if you bang them down or even allow them to drop down inside under there own weight, they can be a bugger to shift, I had to hold one leg clear of the ground and whack it several blows with a leather mallet on the caliper mounting lugs to free it.
yeah this is a pain in arse - i clamped it between my legs and pulled with all my oil hands might and this happened
https://youtu.be/K8gwEpb37xw?t=8s
i too resorted to a leather mallet