| 摘要 |
A primary throttle lever connected to a secondary lever affords a throttle control engagement to a throttle cable initially with a high lever ratio to ease thumb pressure at low throttle settings. The motion of an axial slot which end of said slot eventually engages a limiting pin ensures subsequent motion of the secondary lever attached to said limiting pin. The consequential motion of said secondary lever affords a lower lever ratio for higher throttle settings. Said sequential lever ratios being set at manufacture and the travel limits of said sequential lever ratios being user adjustable.
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