Author Topic: MK9 & MK10 cylinder head  (Read 1360 times)

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Offline MauriceR

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MK9 & MK10 cylinder head
« on: February 21, 2013, 02:43:50 pm »
Are they the same head and can you use the 1977 mk10 on the 1976 mk9

Offline Moto

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Re: MK9 & MK10 cylinder head
« Reply #1 on: February 21, 2013, 08:45:12 pm »
I will check on the weekend Maurice ,but I dont think so. The Mk9 was the last of the old style cylinders and I am pretty sure that from the Mk 10 onwards(till the end) used a different sealing system and locating pins etc.

Offline Moto

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Re: MK9 & MK10 cylinder head
« Reply #2 on: February 23, 2013, 10:49:08 pm »
Maurice,I checked the heads today and the Mk9 & Mk10 heads appear to be the same(on the 370's I have).The heads/cylinders changed on the Mk 11 models.

Offline MauriceR

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Re: MK9 & MK10 cylinder head
« Reply #3 on: February 25, 2013, 07:07:03 am »
Thanks Moto... I am going to have to wait untill I receive the bike in about 1 1/2 weeks as I still don't understand why he said the 250 had 2 plugs in it