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Author Topic: Static Ignition timing for 1977 YZ250D and YZ400D  (Read 2212 times)

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Simo63

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Static Ignition timing for 1977 YZ250D and YZ400D
« on: October 17, 2013, 04:04:48 pm »
As the title says, I'm just looking for the static ignition timing for both my YZ250 and 400 D bikes.

Anyone know what it should be or could point me to a reference manual or similar?

TIA
Craig
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Offline Ted

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Re: Static Ignition timing for 1977 YZ250D and YZ400D
« Reply #1 on: October 17, 2013, 05:31:59 pm »
Don't you worry about bike timing you just get alcohol/ bike delivery times in sync ;D
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81 YZ 465 H   77 RM 125 B

Offline Iain Cameron

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Re: Static Ignition timing for 1977 YZ250D and YZ400D
« Reply #2 on: October 17, 2013, 07:01:55 pm »
77 250d is2.3 mm btdc  and 77 400d 2.7  btdc  Iain
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Simo63

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Re: Static Ignition timing for 1977 YZ250D and YZ400D
« Reply #3 on: October 17, 2013, 07:06:42 pm »
Quote from: iainyz on October 17, 2013, 07:01:55 pm
77 250d is2.3 mm btdc  and 77 400d 2.7  btdc  Iain

Thanks Iain   8)
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