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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New pistons
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<blockquote data-quote="Puddle jumper" data-source="post: 16336" data-attributes="member: 1433"><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Hi Guys, </span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Before I had the cylinder’s bored I turn up a mandrel (it was left in the chuck so running true at all times) to the exact size of the existing bore then mounted each cylinder on it using the tail stock with a pad to clamp the cylinder whilst machining, then faced the base (removing minimum amount to clean and match the cylinders). After this I also machined in an ‘O’ ring groove to help seal the base with out using a gasket.</span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">The base is now true to the bore and can be used as a mounting face for boring.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Cheers Paul</span></span></p></blockquote><p></p>
[QUOTE="Puddle jumper, post: 16336, member: 1433"] [SIZE=3][FONT=Times New Roman]Hi Guys, [/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]Before I had the cylinder’s bored I turn up a mandrel (it was left in the chuck so running true at all times) to the exact size of the existing bore then mounted each cylinder on it using the tail stock with a pad to clamp the cylinder whilst machining, then faced the base (removing minimum amount to clean and match the cylinders). After this I also machined in an ‘O’ ring groove to help seal the base with out using a gasket.[/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]The base is now true to the bore and can be used as a mounting face for boring.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Cheers Paul[/FONT][/SIZE] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New pistons
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