Please help noisey gearbox on my RST i had it fitted last year but the box was bought in 2000 and it only done 1.5k before it was took out and then it was sat in a garage until i got it, right its a interpro stage1 or 2 not sure but its uprated it started last week makeing like a high pitch noise has i pull off in 1st and 2nd gear and slightly in 3rd but then it be ok until i backed off and comeing off boost a diffurent noise was there and u could feel it through the gear stick all through the gears so i took out the oil and it looked like oil had broke down there was no bits of metal or crap so replace the oil with some millers competition FS oil and still happening any ideas what could be wrong help me thanks in advance paul
this may help what stage box it is i think it a stage 1 buy looking at this reciept