Jims
JIMS, pinion gear 54-77. Brown
JIMS, pinion gear 54-77. Brown
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Gear size over .105" pins: 1.4460-1.4455". Cam gear over .105" pins: 2.7695-2.770". Made from the finest American aerospace quality tool steel. Precision machined to exact tolerances with no compromises. Note: Cam gear fitment is essential to quiet valve train operation. Too loose of a fit will result in a clicking noise; sometimes confused with lifter noise. A too tight fit will produce a whining sound and premature wear. Sizes are as follows: 961300 Orange (biggest). 961301 Red. 961302 Blue (average). 961303 Green (average). Repl. 24010-54. 961304 White Repl. 24010-54. 961305 Brown. 961306 Yellow (smallest).
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.