Posted September 7, 201014 yr iv got an yamaha 1000 exup will it make much diference if i take exup valve out as it rattles like a chain is loose and driving me up the wall or is there any way of stoping it rattle
September 7, 201014 yr iv got an yamaha 1000 exup will it make much diference if i take exup valve out as it rattles like a chain is loose and driving me up the wall or is there any way of stoping it rattle if you do take the valve out, be ready for knackered low-end performance. The valve shouldnt really rattle, however in my experience it can be that the flap has some play in it, you can try shimming it with some washers (copper washers and some high temperature grease), though it can also happen if the cover has not been put back on correctly (happens sometimes if the bolts sheared).
September 8, 201014 yr Author if you do take the valve out, be ready for knackered low-end performance. The valve shouldnt really rattle, however in my experience it can be that the flap has some play in it, you can try shimming it with some washers (copper washers and some high temperature grease), though it can also happen if the cover has not been put back on correctly (happens sometimes if the bolts sheared). cheers for your help has got a little bit of play
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