OzVMX Forum

Marque Remarks => Yamaha => Topic started by: SPANISH ARMADA on May 25, 2011, 07:52:58 pm

Title: id of motor
Post by: SPANISH ARMADA on May 25, 2011, 07:52:58 pm

picked up an engine tonight the price was right complete with ignition and carby i know its a 400 engine prefix is 501 can someone  tell me what model its out of thanks chris 

Title: Re: id of motor
Post by: motomaniac on May 25, 2011, 08:23:45 pm

mid 70's DT400 but wait for comfirmation on that. ???

Title: Re: id of motor
Post by: Mick D on May 25, 2011, 08:31:11 pm

1976 DT400C

Title: Re: id of motor
Post by: SPANISH ARMADA on May 25, 2011, 08:38:04 pm

sorry but i fu---ed up  ??? no is 510 has no oil pump i noticed ::)

Title: Re: id of motor
Post by: brent j on May 25, 2011, 09:03:28 pm

The list I have says MX400

Title: Re: id of motor
Post by: motomaniac on May 25, 2011, 09:12:39 pm

510 is MX400 B . The 250 was 509.

Title: Re: id of motor
Post by: Mick D on May 25, 2011, 10:05:05 pm

Quote from: SPANISH ARMADA on May 25, 2011, 08:38:04 pm

sorry but i fu---ed up  ??? no is 510 has no oil pump i noticed ::)

 ;D Dyslexia hey, welcome to my world :D

Title: Re: id of motor
Post by: TeeBone on May 25, 2011, 10:20:01 pm

Mmmmm, MX400. Sounds like a project, Chris!

Title: Re: id of motor
Post by: Iain Cameron on May 25, 2011, 10:41:55 pm

Hi Spanish id #510-0xx-xxx is 1975 mx400 id# 510-1xx-xxx is 1976  yzc400 . give me a call have heaps of parts  regards Iain

Title: Re: id of motor
Post by: Freakshow on May 25, 2011, 11:40:15 pm

Parts...... Do you have a piston and rings for one std size ?  also after a barrell or sleeve

Title: Re: id of motor
Post by: IT400C on May 26, 2011, 12:25:07 am

Quote from: iainyz on May 25, 2011, 10:41:55 pm

Hi Spanish id #510-0xx-xxx is 1975 mx400 id# 510-1xx-xxx is 1976  yzc400 . give me a call have heaps of parts  regards Iain

It gets even more complex...

510-0***** is 1975 MX400B
510-1***** is 1976 YZ400C
510-2***** is 1976 IT400C

Tony

Title: Re: id of motor
Post by: bigk on May 26, 2011, 09:09:01 am

I reckon I'd have a frame for that Chris, let me know if you want me to look.

Title: Re: id of motor
Post by: IT400C on May 26, 2011, 09:15:00 am

The YZ-C (510-1*****) and IT-C (510-2*****) frames are identical, but the MX-B (510-0****) frame is very slightly different.

All geometry etc is the same, but the MX-B only has one muffler mounting point on the rear frame loop, YZ-C and IT-C have two mounting points.

Tony

(not to mention the obvious swingarm difference of course....)   ::)

Title: Re: id of motor
Post by: SPANISH ARMADA on May 26, 2011, 12:30:18 pm

thanks to all that replied to help id engine yes its first number is a 2 thanks chris

Title: Re: id of motor
Post by: IT400C on May 26, 2011, 12:46:01 pm

Then it's an IT400C motor - same as YZ-C but wide ratio gearbox and lighting coil.

Title: Re: id of motor
Post by: IT400C on May 26, 2011, 12:57:27 pm

Quote from: MICK-DE on May 25, 2011, 10:05:05 pm

Quote from: SPANISH ARMADA on May 25, 2011, 08:38:04 pm

sorry but i fu---ed up  ??? no is 510 has no oil pump i noticed ::)

 ;D Dyslexia hey, welcome to my world :D

Did you hear about the Dyslexic Devil Worshiper?

He sold his soul to Santa...

 ;D ;D ;D

Title: Re: id of motor
Post by: Iain Cameron on May 26, 2011, 06:05:08 pm

It 400c ,I have a IT400c with sn# 1K7 xxx-xxx yes it is a 76 mod Iain

Title: Re: id of motor
Post by: Iain Cameron on May 26, 2011, 06:10:03 pm

Quote from: IT400C on May 26, 2011, 12:25:07 am

Quote from: iainyz on May 25, 2011, 10:41:55 pm

Hi Spanish id #510-0xx-xxx is 1975 mx400 id# 510-1xx-xxx is 1976  yzc400 . give me a call have heaps of parts  regards Iain

It gets even more complex...

510-0***** is 1975 MX400B
510-1***** is 1976 YZ400C
510-2***** is 1976 IT400C

Tony

Tony the 250 mxb and the yzc 250 used the same idea 509 0xx xxx and 509 1xx xxx
even earlier the yz125 a and yz125 b used the 4th digit differance regards Iain

Title: Re: id of motor
Post by: IT400C on May 26, 2011, 10:09:38 pm

 ::)  Bloody Yamaha and their serial numbers...   ;D

Quote from: iainyz on May 26, 2011, 06:05:08 pm

It 400c ,I have a IT400c with sn# 1K7 xxx-xxx yes it is a 76 mod Iain

That's a bit odd - 1K7 was the model code for the IT400C, but that only applied to the parts manufactured for the bike..  All the engine/frame numbers I've seen have been 510-2xxxxx...

Title: Re: id of motor
Post by: Iain Cameron on May 28, 2011, 11:15:47 am

It 400 sent you a pm I stuffed up had a tag tied to the motor with 1k7 on it not the eng no# is a 510 sorry Iain