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Yamaha YBR 125 engine swap

UglierBoss
in The Bar

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Posted

Hi all, quick question if I may:

My YBR has a noisy knocking engine and so I have a spare to swap with it missing only the alternator coil but it has the flywheel/magneto rotor. so I put the swap engine in and used my original coil and cover from the first engine. Im getting ok compression 80ish so i think the valves need cleaning up but I am also getting error 46 about power supply to Fuel injection. Can i assume the flywheel/magneto rotor on the swap engine is bad? I cant see what else has changed...

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