Search found 2 matches

by Rik
Wed Jul 03, 2013 9:12 pm
Forum: FZR400
Topic: Unstable
Replies: 4
Views: 1674

Re: Unstable

If your bike is weaving gently side-to-side, and you CAN'T keep it going straight, your head bearings are either too tight or notchy. Thanks DonTZ125. Considering Yamaha suggested that I might want them to look at the bearing - without me mentioning this - I'm betting you are correct. And your desc...
by Rik
Wed Jul 03, 2013 8:15 pm
Forum: FZR400
Topic: Unstable
Replies: 4
Views: 1674

Unstable

I (meaning a mechanic) put new tires on my 1989 FZR400 and now I feel a slight side to side instability. It's as if the road is slightly ungulated, but it's not. Although high speed on highway I don't notice it. First thing I checked was tire pressure and we're okay. Then I though maybe new tires ar...