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General => General => Topic started by: Gingernutz on 06 November 2011, 07:49:48 pm

Title: Come on the Google experts - RD400F Caliper diagram
Post by: Gingernutz on 06 November 2011, 07:49:48 pm

I'm a bit stuck with the XS400 - it turns out it has an unusual front caliper normally found on an RD400F Daytona - I have two manuals and neither tells you how to take it apart because they describe another type. I've googled until I'm frsutrated but can't find a manual
This is the one on my bike
(http://i230.photobucket.com/albums/ee84/pj_otoole/2011-11-06_11-39-05_19.jpg)

Looking at this view the flat head screw in the haynes manual is nowhere to be seen
(http://i230.photobucket.com/albums/ee84/pj_otoole/2011-11-06_11-39-01_74.jpg)

Any ideas?

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: BIG MAC on 06 November 2011, 08:15:26 pm

Looks very similar to the rd250e caliper if memory serves...equally you sure it isnt the same as the xs250 one?

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: mickdel on 09 November 2011, 05:18:49 pm

There's an article on restoring air cooled RD's in Practical Sportsbikes this month.  You'd probably get a good price for that caliper.    If you email the mag,  I'm sure they'll be able to help you.

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: John Silva on 09 November 2011, 07:07:03 pm

Quote from: Gingernutz on 06 November 2011, 07:49:48 pm

I'm a bit stuck with the XS400 - it turns out it has an unusual front caliper normally found on an RD400F Daytona - I have two manuals and neither tells you how to take it apart because they describe another type. I've googled until I'm frustrated but can't find a manual
Any ideas?

It looks like a 1980 XS400SG / 1979 RD400F caliper alright.
A good source to check parts is www.cmsnl.com (http://www.cmsnl.com)

Front caliper for the 1980 XS400SG is here http://www.cmsnl.com/yamaha-xs400sg-1980_model8757/partslist/E-05.html (http://www.cmsnl.com/yamaha-xs400sg-1980_model8757/partslist/E-05.html)

You should be able to see all the bolts that hold the caliper together now and be be able to dismantle.  :)

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: Gingernutz on 09 November 2011, 11:05:07 pm

Thanks John, stupidly once I had the diagram I went ahead and started stripping it. Stupidly because the seal kit I got was designed for the wrong caliper - weird though isn't it - hour and a half in the garage and got nothing done except covering my legs in 15 year old dot 3 and I'm happy as a pig in sh*t (http://www.xs400.com/forum/images/smilies/bike.gif)

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: John Silva on 10 November 2011, 09:54:06 am

Now you know the right year and model it should be easy to get the right seal kit.

All the best with the rebuild.  :)

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: Gingernutz on 13 November 2011, 12:23:34 am

Rebuild complete whilst drunk and only one piece left over - wonder where that washer was meant to go. Will bleed them in the morning - fully expect brake fluid all over the shop :b

Title: Re: Come on the Google experts - RD400F Caliper diagram
Post by: Gingernutz on 13 November 2011, 10:40:00 pm

Coming along nicely - at least cosmetically
 
(http://i230.photobucket.com/albums/ee84/pj_otoole/2011-11-13_16-06-18_144.jpg)