October 2, 20169 yr Hi Was riding the bike today in a trial and it was running great all of a sudden it just started rattling really loudly from the top end no warning or anything. All levels ok and fan was cutting in and out as usual, any ideas? Cheers Andy
October 11, 20169 yr Author camchain tensioner was ok, decompressor spring ok, turns out loose camchain pulley bolts were the culprit. Now torqued back up with loctite and runs like a Swiss watch again Edited October 12, 20169 yr by aldy13
October 13, 20169 yr Author how long have you had the 300 4t? about 5 months or so, never had a 4 stroke bike before but its a lovely bike to ride even for my limited ability lol
October 13, 20169 yr have a 4t 250 and i'm recovering from a collar bone so i've just tried it on balance on the flat and I'm liking it a lot
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