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YZ & MX discussions

A section focused on the race bikes, from the early MX twin shocks, to the mid-series early monoshocks and through the early YZ's - talk about the Go Fast bikes!
Subject Replies Views Last Post

Question MX100 IGNITION

Last Post 19 Jan 2022 14:01
by RT325
28 Replies 565 Views RT325's Avatar
Last Post by RT325 19 Jan 2022 14:01

Question 1974 125 YZ/MX cylinder head volume

Last Post 16 Jan 2022 13:09
by rsteve56
8 Replies 234 Views rsteve56's Avatar
Last Post by rsteve56 16 Jan 2022 13:09

Question Looking for a Flywheel Puller for a 76 YZ125X

Last Post 14 Jan 2022 07:46
by MarkT
8 Replies 172 Views MarkT's Avatar
Last Post by MarkT 14 Jan 2022 07:46

Question MX Fuel tap rubber seal replacement.

Last Post 02 Jan 2022 20:28
by Lizeec
16 Replies 444 Views Lizeec's Avatar
Last Post by Lizeec 02 Jan 2022 20:28

Question My 1983 Yamaha YZ 490-purchase!

Last Post 02 Jan 2022 18:46
by Grussell
6 Replies 258 Views Grussell's Avatar
Last Post by Grussell 02 Jan 2022 18:46

Question 3rd Over Size Piston for AT2MX

Last Post 18 Dec 2021 04:18
by RT325
30 Replies 672 Views RT325's Avatar
Last Post by RT325 18 Dec 2021 04:18

Question 1974 DT vs MX/YZ Cylinder

Last Post 10 Dec 2021 12:03
by Italjet125MAD
6 Replies 269 Views Italjet125MAD's Avatar
Last Post by Italjet125MAD 10 Dec 2021 12:03

Question 1977 GTMX 80D choke lever/plunger spring

Last Post 05 Dec 2021 14:10
by RT325
8 Replies 211 Views RT325's Avatar
Last Post by RT325 05 Dec 2021 14:10

Question 75 YZ 125 (ish) project

Last Post 19 Nov 2021 20:22
by MarkT
26 Replies 1185 Views MarkT's Avatar
Last Post by MarkT 19 Nov 2021 20:22

Question 73 MX360

Last Post 10 Nov 2021 17:20
by RTD2
11 Replies 2419 Views RTD2's Avatar
Last Post by RTD2 10 Nov 2021 17:20

Question DT-1 MX Head Gasket (250)

Last Post 07 Nov 2021 23:26
by Gr8uncleal
9 Replies 414 Views Gr8uncleal's Avatar
Last Post by Gr8uncleal 07 Nov 2021 23:26

Question LOOKING FOR COMPLETE '73-'75 MX/YZ 250/360/400 FRONT END

Last Post 04 Nov 2021 07:31
by hackman101
1 Replies 130 Views hackman101's Avatar
Last Post by hackman101 04 Nov 2021 07:31

Question 1979 YZ125 HEAD

Last Post 02 Nov 2021 19:02
by RT325
1 Replies 175 Views RT325's Avatar
Last Post by RT325 02 Nov 2021 19:02

Question expansion chamber seal/gasket?

Last Post 27 Oct 2021 13:16
by Gr8uncleal
7 Replies 404 Views Gr8uncleal's Avatar
Last Post by Gr8uncleal 27 Oct 2021 13:16

Question vintage mx build threads

Last Post 26 Oct 2021 18:49
by Storbeck
11 Replies 710 Views Storbeck's Avatar
Last Post by Storbeck 26 Oct 2021 18:49

Question 1976 YZ125 Restoration Finished

Last Post 24 Oct 2021 14:17
by MarkT
17 Replies 837 Views MarkT's Avatar
Last Post by MarkT 24 Oct 2021 14:17

Question Gas tank straps on YZ 250 & 360 A & B

Last Post 21 Oct 2021 07:32
by Solid Lifters
2 Replies 196 Views Solid Lifters's Avatar
Last Post by Solid Lifters 21 Oct 2021 07:32

Question NEED HELP! 1974 Yamaha mx360 bikes, frames and endless parts

Last Post 12 Oct 2021 18:39
by MarkT
11 Replies 793 Views MarkT's Avatar
Last Post by MarkT 12 Oct 2021 18:39

Question DT1 MX250 Mystery engine

Last Post 12 Oct 2021 07:33
by PatterBon
9 Replies 381 Views PatterBon's Avatar
Last Post by PatterBon 12 Oct 2021 07:33

Question Who re-chromes cylinders for early YZ250? ('74/'75 A or B)

Last Post 11 Oct 2021 18:35
by Solid Lifters
2 Replies 359 Views Solid Lifters's Avatar
Last Post by Solid Lifters 11 Oct 2021 18:35