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cally4x4

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Posts posted by cally4x4

    Fork Oil

    in The Garage

    Posted

    1 hour ago, tomek said:

    If there is not visible wear on forks I would get them fixed. Used parts are often are hit or miss.

    My forks other than the bend only have road salt damage nothing to bad just thinking this has been a problem for a while so could have worn bits out I cant see ill sleep on it and sort it out tomorrow lol

    Fork Oil

    in The Garage

    Posted

    8 minutes ago, tomek said:

    Limit is 0.2 mm. Wonder if triple tree is  twisted. 

     

    You do pump fork up and down before torquing axle clamps and bottom triple tree ? 

    Yeah I follow the a how to from dellboys garage on youtube . I'm also thinking about the triple tree I could go and get some second hand parts or get mine fixed there is a firm just a few hours drive from me forks fixed from £80 triple trees from £60 if I remember correctly 

    Fork Oil

    in The Garage

    Posted

    Things are not good after bolting and torquing everything up the bars were not straight so pulled the forks off the bike again the got a dial gauge one of them reads 0.40 mm runout while the other read just over 0.20mm I’m guessing if the tube is rotated the bars will point straight but then the wheel would still be out of line could explain why the bike likes to tip over 👎🏻

    Fork Oil

    in The Garage

    Posted

    Changed the oils yesterday for 7.5 and removed the cartridge for cleaning (what a pain the arse that was) just got to re centre everything and torque it up today before going to work fingers crossed for a better ride 🤞🏻

    My bike had a 6mm shim fitted when I got it and on the centre stand the rear tyre would touch the floor and fill like it was falling over in the bends. 

    Fork Oil

    in The Garage

    Posted

    44 minutes ago, SwampNut said:

    You mentioned some much lighter bikes, so your perception on this bike will certainly be different.  Some of those are sure to have had better forks.  I think your tire pressure range now is what most of us run, 36-38 front and 40-ish rear.

    Your right the bird is the heaviest bike I’ve owned with only the zxr and diversion coming close with any luck the lower pressure and a fork clean up will see an improvement. Don’t get me wrong I like the blackbird and I like the linked brakes but if I can enjoy it then it’s time for a swap why Honda never gave its A list bike more features is beyond me a sports tourer that needs a garage of tools for suspension adjustment lol 

    Fork Oil

    in The Garage

    Posted

    Thanks all

    so before leaving for work this morning I lowered the front pressure even with the wet roads it felt better then lowered it a little more to 36psi and 38psi rear again felt better. I will pull the forks apart and do a full clean and try some 7.5 weight oil. 

    Im running Michelin Road 5 tyres front and rear. Previous bike was Honda cb500 then Zx9c1 Ninja, Zxr750L1, Yamaha diversion 900, Honda Ntv650, Honda cb1 400 plus a few 125’s after passing my test none of the previous bikes have ever had the same feel from the front I get from the bird I’ve always felt planted to the road bends on the bird are taken with care with the ride I’m getting it’s not a fun bike to ride. 

    Before I left work I checked the travel of the forks by rocking back and forth forks don’t seem to be topping or bottoming out but very hard and slow to move. I’ll get a pal to have a look at get a second hands on description for what’s going on 👍🏻

    Fork Oil

    in The Garage

    Posted

    2 hours ago, superhawk996 said:

    Forks bouncing back might be a lack of rebound damping, excessive compression damping, or under-sprung and bouncing off the bump stops because it bottomed out.  If what you're feeling is a sharp upward hit it's likely that the suspension bottomed or there's too much compression damping.  I can feel and understand car suspension better than bike so don't assume I'm right.  From what I recall these forks are properly sprung for someone around 150lbs and the rear is good for about 180lbs.  It's up to you to convert our real weight measurements to rocks.  😊

     

    Everything I know says that the recommended tire pressure is higher than ideal.  I run 36F and 38R solo and many say that that's on the high side.  Dropping pressure will help soften small sharp bumps.  I've seen 36F 42R being the recommended pressures on every 2 seater sport bike I've checked and the pressure is always for riding at the maximum gross vehicle weight rating so obviously you don't need as much for solo riding.  On 'super sport' bikes like Ducati the recommended pressures are quite a bit lower using the same size tires.

     

    Getting it sprung for your weight is probably the easiest improvement that can be made to the forks and I've read that dropping the oil viscosity does wonders for these.  Unfortunately the number on the bottle can be very misleading and the only way to really know what the viscosity is is to check the specs on the oil.  I don't know why that is, but checking the specs on several brands in the same stated weight reveals several different viscosities.

    Thanks superhawk 

    I’ll have a go with new springs and lower tyre pressures first of all. I’ve hit an age where 150 lbs is never coming back lol 165lbs or just under 12 stone will be a target for me. I know my bike was dropped at low speed before I got it so might get the chassis checked for pease of mind it checks out ok with the string around the wheel test but still

    Fork Oil

    in The Garage

    Posted

    3 minutes ago, SwampNut said:

     

    You're describing an oversprung/underdamped condition.  At 190 pounds you're probably a bit heavier than the average rider, so you'd tend to compress the springs more.  Do you know if the springs, valves, and oil are stock now?

     

    Yeah everything is stock I did a oil change 18 months ago with 10 weight oil this past year I’ve wacked a few stone on but the bike has always had this feel of a light wheel on the road

    Fork Oil

    in The Garage

    Posted · Edited by cally4x4

    2 hours ago, SwampNut said:

    Helps in what way?

     

    What problem exactly are you trying to fix?

     

    Lighter oil will reduce damping, which I'm sure you knew.  Rebound damping should generally be predicated on spring rate and unsprung mass.  If it's too light, the fork will bounce out too fast and create bounce.  If it's too hard, the fork will compress over repeated bumps and/or fail to keep the tire connected to the ground.  On compression you want enough to keep the tire on the ground.

     

    The ProfessionalTM will surely correct me on all of my simplification of the process, and proceed to explain how my island origins are to blame for me not being 1/100th of the suspension engineer he is.

    Cheers Swamp

    the problem I’ve got is the forks spring back to fast so with the crap roads most of the time the front wheel doesn’t feel planted to the road 

    Fork Oil

    in The Garage

    Posted

    Hey all

    going to change fork oil again but was going to try another weight oil I’m using 10 weight atm but was thinking of 7.5 or maybe 5 weight. I’m 6ft ,14stone and the roads around me are terrible bumps and holes everywhere I’m also thinking of lowering air pressure to 37psi from 42psi to see if that helps

    any thoughts or suggestions would be  appreciated 

     

     

    Tail light ideas

    in The Garage

    Posted

    Looks really good John so clean and tidy. John did you drill and tap the swing arm your self? Would you be about to snap a picture of it? I really want to lose the centre stand. Cheers

    Tail light ideas

    in The Garage

    Posted

    3 hours ago, John01XX said:

     

    That's the one!

     

    Very nice I really like it shame I can’t find any uk stockiest but as it’s a all in one unit might be worth the extra costs and time

    Tail light ideas

    in The Garage

    Posted

    9 hours ago, blackhawkxx said:

    That was 2006 so I don't remember much about it.  I have a Clear Alternative integrated tail light which of course has the turn signals in it.   

    Thanks for the reply 

    is yours the standard shape but with a clear lens?

    Tail light ideas

    in The Garage

    Posted

    Hi all 

    As title I want to change the tail light was thinking of something like a SV650s unit but then I found this page

     

    looked around but couldn't find much else about the mod like what year cbr600rr cant find that design light for sale anywhere. Then I found this 

    IMG_0242.JPG

     

    XRDRACER rear light looks great but again couldn't find much else about it 

    could anyone help with some more info on these I have a week off work soon and wanted to put some time in to the bird. cheers

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