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bumpy_ltd

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  1. Gas gas updated the frame in 2009 and again in 2011. To find and exact fit you need either a 2009 or 2010 (not the raga/factory model). However anything from 2002 (pro) to 2010 will fit but it just has different brackets. 02 and 03 were steel but changed to alloy in 04. Best bet is to try Richard Allen at Allens Used Trials Spares on facebook.
  2. Quite common for them to go. Forks would feel like they are topping out. The fun part is rebuilding the cartridge without squirting oil all over the workshop. GAS GAS 40mm Marzocchi Forks.pdf
  3. 2005 GG Pro had Marzocchi forks 👌 GAS GAS 40mm Marzocchi Forks.pdf
  4. bumpy_ltd

    2019 GG 300 GP

    I thought the same about the carbon air box being a gimmick until I rode (actually rode in a trial as opposed to just testing) a GP. Its most noticeable on hill climbs or when pulling 3rd gear. There is a price difference of around £500 between the racing and the GP and the price of a carbon airbox is over £700 so for me its a no brainer. There is nothing wrong with the Racing but, I know it sounds silly, the GP feels (and looks) special. And you're wrong Faussy, the bike is waaaaaay better than I am ;)
  5. bumpy_ltd

    2019 GG 300 GP

    The main difference better the 19 racing and 19 GP is the carbon airbox which is a slightly bigger volume. Also has upgraded forks with extra adjustments, interchangeable s3 cylinder head (3 possible compression settings), lighter rear wheel, renthal handlebars, better footrests and silicone hoses. I've had a few GP's (or Raga model/Factory replicas as they were formerly known) and they always seem to be better built and run better. Well worth the extra money.
  6. 50:1 would probably be ideal when running on a dyno but the reality is that most of the time we are riding round just off tick-over. 60ml of oil has worked for me riding GG for 20+ years and I haven't seized one yet. Standard carb settings aren't far off for the UK. Ive run 45 pilot, 125 main and (std) needle lifted up one notch (std slide) for years.
  7. Yes far too much oil. You want 60ml of 2t per 5 litres of petrol. I use Putoline mx9 which seems to burn better than others Ive tried. Also super unleaded fuel from either BP or Shell makes a difference. Best case scenario is that all of your silencer packing is soaked in oil which is why it smokes when hot. Worst case is crank seal has gone. If it was the crank seal then you could tell from the smell of the burning oil and your gearbox oil would be low. If thats ok then personally Id go a few miles down the road on it then (when cools down) repack the silencer. Trialendurodirect.com do this which is dead easy: https://trialendurodirect.com/product/expanding-exhaust-packing/ and this which in my view is better but a lot more involved: https://trialendurodirect.com/product/silent-sport-exhaust-packing/
  8. Yes it was the best quality image I could find. There isn't that much difference between the 19 and the 20, certainly not in the clutch.
  9. 2019 bike is slightly different to that video. They redesigned the case to make it easier to get to (see pic). Think you can get away without taking off the kickstart but its only one bolt and easier with it out of the way. Just under middle case bolts (leave the water pump alone) paying attention to the length of the bolts (3 different lengths) and remove case with hydraulics still connected. Use a zip tie to fasten out of the way. You can remove bolts next to the numbers and change the settings to either 1,2 or 3. Once you put the first bolt on its new setting move the rest accordingly with equal spacing. The different bolt positions alters the amount of pressure on the clutch pack and changes the speed of the clutch. I've also attached a picture of the Xiurdi plate which is the guy that designed it. GG one is the same just different colour.
  10. The silencer/exhaust is one complete unit unlike the older models where the silencer was separate. Do you mean the plastic exhaust end cap? These can be vulnerable especially for people who like to sit on the back of the airbox whilst pulling wheelies. You can put an extra pop rivet in between the 2 bolt holes on the top that helps with this. If you still have problems then you can by an alloy aftermarket end cap which is a bit more substantial: https://www.splatshop.co.uk/bdi-dpm-gasgas-aluminium-silencer-end-piece-2010-onwards.html
  11. bumpy_ltd

    Ty250r mono 1985

    The question I would ask is why have you (or someone else) put a cheap copy of a Keihin carb on especially seeing as you have spent so much time and effort modifying this bike? Surely it would make sense to pay the extra for the Keihin and then see if you can set the carb up.
  12. Both 1999 and 2000 were available in red or blue. The 2000 model was almost orange
  13. The 1999 model 258cc was called a 270. It changed in 2000 where it was called 280. In 2002 the TXT pro was released alongside the old TXT which was now called the Edition. The pro had a different frame and engine. The main difference between the 99 TXT and 2000 TXT was that the 99 had a rear subframe and the 2000 did not. To fit this the rear mudguard/seat on the 2000 was in 2 pieces where as the 99 was one complete unit. Hope that helps
  14. bumpy_ltd

    GG UK riders

    Jack Price needed a factory deal so that he could continue his career at world level. He did have a deal offered from GGUK but the Vertigo deal was better. Sam Haslam has ridden under the John Lee Motorcycles banner for the past few years. John Lee are now Montesa dealers so want to push the brand. GGUK are expecting delivery of new bikes sooner rather than later. Currently you can still purchase the last few 2019 models, GG spares, S3 parts, mots clothing and other trials product from their sister website Trial Enduro Direct. Shirty will still be attending the BTC (as he has for the last 30+ years) and the SSDT as well as various Enduros not to mention riding wherever he can. I don't know of another dealer that puts as much effort into UK Trials and Enduro. Time to put away the pitch forks! Cheers Dan
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