Honda CT90 Engine Reassembly

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I have one 1971 CT90 where I was going to rebuild the clutch because the kickstarter just wasn't turning over the engine like it used too,  and I also had a Big Bore kit from DrATV that I wanted to install. My intent was to just do the top end and rebuild the clutch with new disks, but when I opened up the cases to rebuild the clutch pack I found a slick black slime in the bottom of the case.  I didn't like the idea that there could be black slime in the rest of the engine, so I decided to disassemble the entire engine to make sure I cleaned everything out.  Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Repairing Damaged CT90 Spark Plug Threads Using a Time-Sert Thread Insert CT90 Clutch P
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Product Review - Harbor Freight Cen-Tech 7 Function Digital Multimeter

One of the things I am known for is being a little cheap, so I don't have any problem taking advantage of the free items that Harbor Freight lists in their weekly adds.  One of the best free items they have is a low cost digital multimeter made by an outfit called Can-Tech.

Here is a link to the Harbor Freight website where you can purchase the multimeter for around $4.49 if you don't take advantage of when then list it in their weekly add as a free item with any purchase.

The multimeter comes with a basic set of instructions and a set of leads.




I always keep one of these multimeters on the bench of the two shops that I have as they come in handy for a quick check on a variety of things. The multimeter does all of the same basic functions of any higher end multimeter and the accuracy while not in the same league as the higher end multimeters, is more then adequate for most backyard mechanics.

While I do have a better quality multimeter that I use along with an very good quality digital oscilloscope for electronics work that I do and I wouldn't consider using this multimeter due to accuracy concerns at very low voltages I might be measuring, this Harbor Freight multimeter will always be more than adequate to checking things your battery voltage or the voltage at a tail light to turn signal on your CT90 that may not be operating just right.

As far as bang for your buck goes, I think that this multimeter is a great deal for free and even a pretty good deal if you actually paid the $4.49 they advertise it for on-line.

Helpful Links (Shop Manuals, Wire Diagram, Model Information, etc.)

Link to page with listing of CT90 parts available on Amazon


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