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Makotosun

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

Air jet, 1978 YZ 250E

Last Post 16 May 2025 17:31
by MarkT
13 Replies 209 Views MarkT's Avatar
Last Post by MarkT 16 May 2025 17:31

1978 yz250E ignition timing BTDC.

Last Post 26 Apr 2025 13:09
by MarkT
11 Replies 551 Views MarkT's Avatar
Last Post by MarkT 26 Apr 2025 13:09

Engine for my Yamaha yz

Last Post 21 Apr 2025 14:31
by MarkT
6 Replies 401 Views MarkT's Avatar
Last Post by MarkT 21 Apr 2025 14:31

YZ125X AIR FORK seal replacement

Last Post 17 Apr 2025 04:06
by Murph
13 Replies 506 Views Murph's Avatar
Last Post by Murph 17 Apr 2025 04:06

Finally Got Out to Ride! Riding Vintage Dirt Bikes is Just Plain Fun!!

Last Post 07 Apr 2025 00:33
by Reed valve Richards
2 Replies 241 Views Reed valve Richards's Avatar
Last Post by Reed valve Richards 07 Apr 2025 00:33

1979 GT80MX Throttle cables

Last Post 25 Mar 2025 15:14
by IMMikeMurphy
0 Replies 210 Views IMMikeMurphy's Avatar
Last Post by IMMikeMurphy 25 Mar 2025 15:14

YZ125 engine case mix n match.

Last Post 24 Mar 2025 04:27
by Murph
2 Replies 301 Views Murph's Avatar
Last Post by Murph 24 Mar 2025 04:27

MX 250 clutch arm bearing

Last Post 06 Mar 2025 10:10
by Enduro nut
7 Replies 416 Views Enduro nut's Avatar
Last Post by Enduro nut 06 Mar 2025 10:10

1981 mx175

Last Post 23 Feb 2025 02:11
by RT325
8 Replies 606 Views RT325's Avatar
Last Post by RT325 23 Feb 2025 02:11

1980 MX175 Source Coil

Last Post 13 Feb 2025 19:53
by MarkT
6 Replies 389 Views MarkT's Avatar
Last Post by MarkT 13 Feb 2025 19:53

175 Mx ignition

Last Post 13 Feb 2025 16:26
by z34m40
4 Replies 438 Views z34m40's Avatar
Last Post by z34m40 13 Feb 2025 16:26

Dt250 in yz125 frame

Last Post 03 Feb 2025 19:44
by RT325
4 Replies 336 Views RT325's Avatar
Last Post by RT325 03 Feb 2025 19:44

YZ465 -81 engine splitting

Last Post 22 Jan 2025 10:18
by MarkT
2 Replies 433 Views MarkT's Avatar
Last Post by MarkT 22 Jan 2025 10:18

1978,79 YZ 250 fork mods

Last Post 18 Jan 2025 07:56
by Joe1028
2 Replies 336 Views Joe1028's Avatar
Last Post by Joe1028 18 Jan 2025 07:56

DT and YZ side cover interchanging.

Last Post 05 Jan 2025 02:52
by Murph
6 Replies 589 Views Murph's Avatar
Last Post by Murph 05 Jan 2025 02:52

1981 Mx 175 coil

Last Post 01 Jan 2025 14:17
by MarkT
1 Replies 392 Views MarkT's Avatar
Last Post by MarkT 01 Jan 2025 14:17

1975 Yamaha 250B Mx. Tooth count on the main clutch gear shaft.

Last Post 29 Dec 2024 09:36
by automan
5 Replies 473 Views automan's Avatar
Last Post by automan 29 Dec 2024 09:36

MX Fuel tap seal

Last Post 18 Oct 2024 10:15
by 750kr1
4 Replies 643 Views 750kr1's Avatar
Last Post by 750kr1 18 Oct 2024 10:15

71 RT1M

Last Post 02 Aug 2024 21:49
by RT325
20 Replies 2392 Views RT325's Avatar
Last Post by RT325 02 Aug 2024 21:49

MX400B Clutch Shaft Lever Arm Oil Seal

Last Post 13 Jun 2024 22:05
by Andy_911
3 Replies 726 Views Andy_911's Avatar
Last Post by Andy_911 13 Jun 2024 22:05