The thing that bugs me about the ACU liecence is that it has to be signed by a club sec,why ? Its just a simple form for trials,or even if it was just for your first licence.I only ride two trials each year that are ACU and I cant see why I should have to get the club sec to sign it.I really dont object to the fee,thats no problem .
Up here its because you have to be a club member before they will even give you the license form, the signature presumably proves that.
Cheers guys was out yeserday bike felt good had a slow action throttle on my old 07 290 and does make a noticeable difference, I see what your saying about the sprockets, Im aware that a smaller rear reduces the initial bite i was just wondering what accompanied this on the front, It is always going to be a 290 which i like, I suppose its all down to amount of time out on bike! Tony27 As far as rear greater scope for incremental change that is way over my head!! Sounds good though and will read into it!!
Re incremental
One tooth more on the front is more than a 10% increase, where 2 teeth on the back is approx 4%.
i know this sounds gay but can you touch your toes a lot of lower back problems are caused buy hanstrings being to tight of you do 2 before riding and 2 after riding do a 30 second stretch trying to get your parms to touch the floor without bending your knees do it for a few day i bet it helps
fwiw I have never been able to touch my toes, or sit crossed legged either !
Funny, I too have both an SY250 (2004) and a TL125 (1974). The Scorpa head rake is 5 deg steeper than the Honda. I calculated that pulling the bottom of the steering neck on the Honda back 0.7 inches will result in the rake matching the SY250, and that translates to about 5" raise at the rear axle to have a similar effect on steering geometry, so I went into the drive, perched the Honda's rear wheel on a 5" rock (handily stuck in the middle of my drive for trials practicing), and I balanced out. Very intuitive feel for balancing the bike, similar to Scorpa. I feel very compelled to pull the bottom of the steering neck back on the Honda. I plan on upgrading the rear shocks, if I go longer, or I raise the rear of the bike by relocating the bottom shock mount higher (welded tab), I can pull the neck back a little less so that the end result is still similar to the Scorpa's rake.
Will I still be able to compete vintage?
If I update the front forks with dampening cartridges (I have a lathe and CNC mill), will that violate the spirit of vintage competition?
Most genuine pre-65 frames have had this type of mod, so if you know anybody that runs one, they should be able to give you first hand experience.
Yes Glen, all my NASA G-Force training came in very handy when I tried to ride your rocket sled GasGas !
Clutch Plates
in Aprilia
Posted
Try the first one as he's on here regularly
http://www.r2wtrials.co.uk/html_files/swm80.html
or
www.rotax.co.uk