Struggling with a Yamaha xs 650 engine

This week at Monte Cycles,
Back from my sort holidays in Spain, I started to build up the engine Yamaha xs 650 engine, but of course I got some troubles in the last minute...
To see my daily work visit my inta: @montecycles
/ montecycles
To see Florencio daily work visit his inta: @florenciorojas
/ florenciorojas
Thanks for watching!
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[@Cobra427Veight]

If you make a disc with a hose Barb and rubber you can vacuum test your ports ! .

[@jimclarke1108]

Bit like a Triumph 650