Breaker weight spring set. Extreme duty - 70-99 B.T.(excl. TC); 71-03 XL (NU). With mechanical advanced ignition 515658 5mm wide x 19cm high

5mm wide x 19cm high x 37cm long

Includes switches

• For those looking to carry the classic upswept design through their motorcycle

also possible with one hand only

Practical assortment with 141 different seals made of rubber

Breaker weight spring set. Extreme duty - 70-99 B.T.(excl. TC); 71-03 XL (NU). With mechanical advanced ignition 515658 5mm wide x 19cm highStronger than stock. For a slower advance curve, used to help solve detonation issues. Less breaker weight rattle during idling and improves idling stability. Note that stronger springs may require carburetor adjustment (richer). Note: 516300 is standard replacement, 516301 is heavy duty, 516598 is extreme duty. Mixing different spring strengths will give additional fine tuning options.