September 26, 20178 yr I have just got a gas gas 125 for the grandson. I have been looking at the regulations, and it states that it must have a lanyard kill switch. That is no problem. But it also staes that it should have a chain guard. Well I have trolled the internet, and can find no specifications for them. The bike has a small guard by the front sprocket, and also a small guard on top of the chain. But is this enough. DOES ANYONE KNOW WHAT THE REGS ARE. i AM HOPING WHEN WE GET THE BIKE GOING TO TAKE HIM TO A LOCAL MEET, BUT WOULD HATE TO HAVE TO COME HOME BECAUSE HIS BIKE IS NOT UP TO SPEC. aLL THE BEST nUBSEY PS Sorry about the cap lock
September 26, 20178 yr You will need to say where you are because rules are different all over the world
September 27, 20178 yr Author Opps sorry. I am in the good old United Kingdom. Actually England. Yes a Pom. See the trouble these regulators make.
September 27, 20178 yr Sounds like you have the standard chain guard, which covers the rear tyre area where the chain runs alongside it. This would satisfy the regulations.
September 27, 20178 yr You need the shark fin style guard that sits just in front of the rear sprocket at the bottom, the point where the chain and sprocket create a nice finger remover ! I think GasGas have always fitted one so even if yours is missing it should be easy to replace.
September 27, 20178 yr The ACU Standing Regulations for trials state that a chain guard should be fitted as per manufacturer's specification. Lots of bikes are used without the lower guard referred to above, desirable though they may be. Mind you, the same regulations state that all machines should "have a helmet and suitable boots" !
September 27, 20178 yr The sharks fin at the rear sprocket is probably the most important. As collyolly says, if it isnt there there should be a bracket on the swingarm to replace one.
September 27, 20178 yr Author Thanks a lot lads, Here are piccys, so I assume all is ok. Just need to get the bike going and fit a lanyard type cut-off switch/
September 28, 20178 yr Author Yes. Must do. It also looks a bit loose, so must adjust. It seems to have some lube on it. I ride a bike which is shaft driven. Much easier. Nubsey
September 28, 20178 yr Yes, does look rather slack. The top run of the chain appears to be drooping. After adjusting remember to check the chain tension when someone is sitting on the bike as that takes up some slack.
September 28, 20178 yr The general rule of thumb (pun not intended) is a fingers width between the top of the chain tensioner block and the swingarm. Edited September 28, 20178 yr by faussy
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