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Author Topic: Standard jetting MX360A  (Read 2631 times)

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Offline Tossa

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Standard jetting MX360A
« on: November 02, 2010, 07:44:38 pm »
Had bike resleeved, and wanted the standard specs for the bike
Needle
pilot
main
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1973 Rickman Zundapp Metisse, to rebuild
1979 Husqvarna WR250
1974 Husqvarna MAG CR250

Offline Freakshow

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Re: Standard jetting MX360A
« Reply #1 on: November 02, 2010, 10:20:20 pm »
Are you using a 34 or 36 ?
try
6F needle
P-8 nozzle
#60 pilot
#370 main drop down to 350 after its run in the bore if you can

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74 Yamaha YZ's - 75 Yamaha YZ's
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For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

Offline oldyzman

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Re: Standard jetting MX360A
« Reply #2 on: November 02, 2010, 10:42:01 pm »
According to a clymer manual i have:
MX360A
VM34SC
MJ 300 -Be careful of this size as freakshows recomendation may be safer to try first!!!!
Needle jet P8
Needle 6F15 - 2
Cutaway 3.0
Pilot 50
air bleed 1 turn out
Cheers Brett
« Last Edit: November 02, 2010, 10:53:12 pm by oldyzman »
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Offline Freakshow

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Re: Standard jetting MX360A
« Reply #3 on: November 02, 2010, 11:21:39 pm »
my MX250 runs  270 FROM  memory so anything over a 320 would be safe, but id start up the big end of town until you find your local set up.

plus i run 25:1
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74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

Offline Tossa

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Re: Standard jetting MX360A
« Reply #4 on: November 02, 2010, 11:24:35 pm »
I'm running 40:1 fully synthetic
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1973 Rickman Zundapp Metisse, to rebuild
1979 Husqvarna WR250
1974 Husqvarna MAG CR250

Offline jimg1au

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Re: Standard jetting MX360A
« Reply #5 on: November 03, 2010, 06:46:00 am »
as per my yamaha mx360 service manual
main jet 270-310
needle jet p-8
jet needle 6f15
pilot jet   50
throttle slide 3.0
air screw 1.5 turns out
clip second groove up from top of needle
float level 23.4mm
ign 2.5mm btdc
plug ngk b-8ev
carby vm34sc
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Offline Tossa

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Re: Standard jetting MX360A
« Reply #6 on: November 03, 2010, 09:54:31 am »
thanks fellas that gives me a good idea
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1973 Rickman Zundapp Metisse, to rebuild
1979 Husqvarna WR250
1974 Husqvarna MAG CR250

Offline Freakshow

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Re: Standard jetting MX360A
« Reply #7 on: November 03, 2010, 12:36:34 pm »
MAybe at the much petorl mix youll be ok, but id still start at 320.
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74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

Offline Tossa

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Re: Standard jetting MX360A
« Reply #8 on: November 03, 2010, 01:28:18 pm »
thanks freaky.  Keep up the good work with the Nats
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1973 Rickman Zundapp Metisse, to rebuild
1979 Husqvarna WR250
1974 Husqvarna MAG CR250
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