Author Topic: Cylinder Identification.  (Read 714 times)

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Offline mad mike

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Cylinder Identification.
« on: August 01, 2022, 12:42:38 pm »
Help,  .....[again]  Please gentlemen, .....Is there any way to identify which cylinders will fit to a 410 cylinder head ?  ..... any identifying visual features, or numbers ? ...... the K6 cylinder  APPEARS  to look the same as a F1/F2 cylinder ???  ... The head i will be using i believe is an F1 [Original factory silver paint] ....  Thanks in advance
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Offline seanbarney41

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Re: Cylinder Identification.
« Reply #1 on: August 01, 2022, 03:28:23 pm »
F1 cylinder head should NOT be 410.  410 found on 77/78 F2 only and was originally black.
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Offline Don R

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Re: Cylinder Identification.
« Reply #2 on: August 02, 2022, 03:48:44 pm »
 The F2 head and cylinder both should be black from the factory. There are oil return differences. Handlebar just went through this, he may be able to offer assistance.
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Offline PeWe

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Re: Cylinder Identification.
« Reply #3 on: August 03, 2022, 05:29:01 am »
CB750 K6-76 1005cc JMR Billet block.
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967