Short­en­ing short­cuts

Practical Sportsbikes (UK) - - WHAT’S THE PROBLEM? -

Q I have just bought a Lust 20mm low­er­ing kit for my Yamaha YZF-R1. I was on tip toes and it was hurt­ing my calves at lights and so on. Also I couldn’t move the bike with­out jump­ing off it. What ad­just­ments do I need to make to the sus­pen­sion to help com­pen­sate when I fit the longer dog bones? Jonathan Wes­gate, PS Face­book Group

A Dar­ren Wnukoski

says: We don’t ad­vise us­ing longer dog­bones be­cause they change the ra­tio of the link­age and mess up the han­dling in all sorts of ways. But there are two things you can do to help a lit­tle. First, pull the forks through 10mm. Early R1s have 130mm of stroke and ide­ally that needs to be less­ened.

Sec­ond, you could fit stroke re­stric­tors, that means in­ter­nal spac­ers in­side the car­tridges at a cost of up to £300. Rather than change dog­bones, we drop a bike’s seat height by short­en­ing the shock too so the link­age stays the same. That’s an­other £200 or so.

Don’t mess with the dog bones, kids

Newspapers in English

Newspapers from UK

© PressReader. All rights reserved.