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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
won't idle low=too much timing?
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<blockquote data-quote="BigEd" data-source="post: 48788" data-attributes="member: 161"><p>As a general rule if your timing is too retarded the bike may be reluctant to start and the performance will tend to be a bit flat. Too advanced and it can be difficult to start and will be prone to kicking back when starting. You should aim to set the ignition timing as accurately as you can but in this instance a few degrees either way should not cause the faults you are describing.</p><p>If we assume an ignition rather than fuel problem then the erratic starting and performance can be an indication of a faulty capacitor. This usually gets worse as the magneto gets hot. </p><p> What work was done when the magneto was refurbished? The capacitor is inside the armature so it is a major operation to change. It is usually replaced when the armature is rewound.</p></blockquote><p></p>
[QUOTE="BigEd, post: 48788, member: 161"] As a general rule if your timing is too retarded the bike may be reluctant to start and the performance will tend to be a bit flat. Too advanced and it can be difficult to start and will be prone to kicking back when starting. You should aim to set the ignition timing as accurately as you can but in this instance a few degrees either way should not cause the faults you are describing. If we assume an ignition rather than fuel problem then the erratic starting and performance can be an indication of a faulty capacitor. This usually gets worse as the magneto gets hot. What work was done when the magneto was refurbished? The capacitor is inside the armature so it is a major operation to change. It is usually replaced when the armature is rewound. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
won't idle low=too much timing?
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