Cylinder Head schematic Honda Cb750k7 Four (germany)

A smoky exhaust on the overrun, after ticking over or when starting up, usually means a worn valve guide, replacing with a new genuine Honda item, preferably with a new valve as well, should stop the smoking and restore full performance to your CB750.
Please check application list for model type suitability prior to placing your order

The exhaust valve guide generally has a harder time of things, as the heat soak compromises the lubrication of valve to guide. A smoky exhaust is usually indicative of a worn guide. Restore full performance by fitting a new Honda part, preferably with a new valve to match, and enjoy your CB750 as it should be.

Vital rubber seal between cylinder head and barrel, should be replaced as a matter of course when head is removed and replaced. Fits many types of Honda, so please check the model application kit carefully before ordering, and of course make sure your order the right quantity, for example 4 required for Honda CB175 twin.

To stop vibration and fuel 'fizz' affecting your carburation, these insulators will need replacing from time to time. All plastic and rubber items like this fall prey to heat, pressure, grease and general dirt.
So avoid 'petrol fizz, and keep your CB750K7, CB750P7 and K8 running nicely by fitting a new set, during the rebuilding or restoration process.
Before placing your order, do take time to check our online catalogue and 'parts list' fiche. Make the most of your order, and ensure you have all the parts you need to get on with the job in hand.

Plastic and rubber tends to degrade and turn brittle through excess temperature, and general road film contamination. When this happens there vital function of reducing heat and vibration to the carburetor is compromised. The solution is to replace with new parts.
Take a look at our online 'parts list' fiche, this will help you ensure that your order includes ALL the items you require to complete your overhaul or service.

Treat your K7, K8, F1 or F2 CB750 to a new clip, rather than trying to clean up and re-use your old one. It's just easier!
Try looking at our online catalogue for these last of the line SOHC K series Fours, you may be surprised at how many new parts are still available for these classic Hondas.

The importance of using the correct, genuine Honda fasteners in all areas of the machine can never be overstated - This 14mm WASHER is no exception!
The correct material with the correct plated finish - In short it would be unwise, to say the least, to use anything other than genuine Honda fasteners!

Seals, gaskets and other consumables, why not check our on-line schematic, or if your machine is not supported this way, simply browse the on-line Gallery; this which will list everything you need for a successful overhaul.
This is the RUBBER SEALING.
Other related parts you may require:

91301426010
91310426000
91302001020
91318ME5003
91319323000

Great value, high quality genuine Honda bolts.
Being genuine Honda means these items are made from the correct materials and will prove durable over the long term, as you might expect from the world's largest motorcycle manufacturer!
To help you decide which other fastener related components you may require, browse the on-line schematic or the Gallery for your model.
The more parts you order, the less the shipping costs per item!
This is the 4 x 22 CROSS-HEAD SCREW(A).

Specify GENUINE HONDA fasteners including these precision engineered DOWEL and LOCK PINS and you will be fitting the very highest quality items that will be both easy to fit and enjoy long term durability - Reusing the old items is not advisable!
This is the 8 x 14 DOWEL PIN.

Whilst fasteners can be supplied from many sources, buying only genuine Honda parts will give the kind of confidence that makes fitting none Honda parts hardly worth the anxiety suffered - When the part either fails prematurely or does not even fit correctly to start with!
This is the 6 x 90 FLANGE BOLT.

This vital part in the ignition system carries out one basic task, to convert the high voltage delivery from the coil to an ignition spark.
Replacing this part would normally be carried out during the course of contact breaker points renewal, or within the specified service interval when used in conjunction with a CDI system.
For all your electrical consumables, such as ignition coils, condenser, contact breaker assemblies, regulator/rectifiers and much more, check out the on-line Gallery for your model.