OzVMX Forum

Marque Remarks => Yamaha => Topic started by: Tomas on February 01, 2015, 04:33:12 pm

Title: 1981 yamaha yz 125 fork oil
Post by: Tomas on February 01, 2015, 04:33:12 pm

Can anyone help with standard oil weight, amount of oil and air pressure for 1981 Yamahaha YZ 125 forks. Thank you

Title: Re: 1981 yamaha yz 125 fork oil
Post by: alexbrown64 on February 01, 2015, 07:10:05 pm

Hi Tomas,

Here is the service info for your bike including fork oil etc.. http://vintagechat2.tripod.com/YZ_DATA_SHEETS.pdf
Also, here is a great magazine review of the H with suspension mods to do... http://davestestsandarticles.weebly.com/uploads/4/8/4/5/4845046/dirt_bike_february_1981_yamaha_yz125h.pdf
If you want to spend some money, then call Terry Hays at Shock Treatment and get all the fruit.. emulators, springs etc.. ride like a rolls royce....

Cheers,
Alex

Title: Re: 1981 yamaha yz 125 fork oil
Post by: Tomas on February 01, 2015, 09:16:05 pm

Thank you Alex

Title: Re: 1981 yamaha yz 125 fork oil
Post by: Viper666 on March 16, 2015, 11:24:37 am

I run 20w & start off with 110-120mm from the top, leg compressed without the spring, no added air pressure.

Test & add or delete 10ml at a time to suit.