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Question Brand New Yamaha Petcocks for our bikes!

Last Post 02 Apr 2020 07:02
by LongStride
44 Replies 31.4k Views LongStride's Avatar
Last Post by LongStride 02 Apr 2020 07:02
 

Question Anybody tried boyesen ports on the reed valve motor?

Last Post 18 Jan 2022 05:53
by 2fishkev
42 Replies 3932 Views 2fishkev's Avatar
Last Post by 2fishkev 18 Jan 2022 05:53

Question SLEEPER PIPES FOR YAMAHA ENDUROS

Last Post 20 Dec 2021 11:07
by Pedalcrazy
236 Replies 85.6k Views Pedalcrazy's Avatar
Last Post by Pedalcrazy 20 Dec 2021 11:07

Question VM40 stronger throttle spring for more snap?

Last Post 16 Dec 2021 07:14
by Jbeebe
12 Replies 378 Views Jbeebe's Avatar
Last Post by Jbeebe 16 Dec 2021 07:14

Question Quick turn throttle

Last Post 12 Dec 2021 09:42
by turbodan
5 Replies 199 Views turbodan's Avatar
Last Post by turbodan 12 Dec 2021 09:42

Question what v-force reed block fit a 1975 DT400?

Last Post 29 Nov 2021 14:13
by RacerClam
5 Replies 373 Views RacerClam's Avatar
Last Post by RacerClam 29 Nov 2021 14:13

Question 1975 Yamaha DT400B best reeds and reed cage

Last Post 25 Oct 2021 15:43
by gwynne
5 Replies 407 Views gwynne's Avatar
Last Post by gwynne 25 Oct 2021 15:43

Question Carb upgrade for my AT/CT3 project

Last Post 01 Oct 2021 17:44
by apex
6 Replies 648 Views apex's Avatar
Last Post by apex 01 Oct 2021 17:44

Question webco heads

Last Post 01 Oct 2021 08:25
by Billy Mild
7 Replies 1974 Views Billy Mild's Avatar
Last Post by Billy Mild 01 Oct 2021 08:25

Question Increasing '77 & Up DT400 Rear Wheel Travel for "Free"

Last Post 18 Sep 2021 18:04
by LWC82PE
11 Replies 764 Views LWC82PE's Avatar
Last Post by LWC82PE 18 Sep 2021 18:04

Question DT360 Dyno Shootout

Last Post 07 Sep 2021 07:22
by MarkT
9 Replies 841 Views MarkT's Avatar
Last Post by MarkT 07 Sep 2021 07:22

Question DT360 port pipe and carb work

Last Post 24 Aug 2021 22:37
by msavitt
22 Replies 3114 Views msavitt's Avatar
Last Post by msavitt 24 Aug 2021 22:37

Question 36mm carb modded 78 Dt400

Last Post 14 Mar 2021 09:11
by RacerClam
151 Replies 7382 Views RacerClam's Avatar
Last Post by RacerClam 14 Mar 2021 09:11

Question Is This A Modified Torque Engineering Exhaust?

Last Post 15 Feb 2021 09:13
by Schu
8 Replies 1343 Views Schu's Avatar
Last Post by Schu 15 Feb 2021 09:13

Question Trimming VForce4 reed cage and sealing carbon fiber reeds with CA?

Last Post 10 Feb 2021 07:25
by MACE6772
2 Replies 445 Views MACE6772's Avatar
Last Post by MACE6772 10 Feb 2021 07:25

Question Performance Ignition for 1974-79 250 | 360 | 400 models

Last Post 21 Dec 2020 08:15
by turbodan
19 Replies 2822 Views turbodan's Avatar
Last Post by turbodan 21 Dec 2020 08:15

Question Updated flywheel options for early DT250's?

Last Post 07 Dec 2020 19:31
by crazyracer
10 Replies 1374 Views crazyracer's Avatar
Last Post by crazyracer 07 Dec 2020 19:31

Question Sleeper Pipe Review

Last Post 24 Nov 2020 23:46
by Gr8uncleal
58 Replies 19.8k Views Gr8uncleal's Avatar
Last Post by Gr8uncleal 24 Nov 2020 23:46

Question DT 400 port template

Last Post 24 Oct 2020 15:43
by morty911
0 Replies 586 Views morty911's Avatar
Last Post by morty911 24 Oct 2020 15:43

Question Old Yamaha port maps

Last Post 20 Aug 2020 05:50
by RustiePyles
9 Replies 1327 Views RustiePyles's Avatar
Last Post by RustiePyles 20 Aug 2020 05:50