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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    I did, in fact, finish the rear wheel. I have no photos of the spoke replacements, but it was pretty straightforward. If you've never trued a spoked wheel, it's an interesting experience. Because I have a dial indicator, I was able to get total runout all around to less than .5mm radially and...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    So, first, let me agree with der_nanno. That XL is a sweet little bike, Boat Builder. Second, I apologize for my lack of posts. I've been busy... It may seem as though the above pictures are unrelated, but not so! All of the pictured items contributed to delayed progress on my little green...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Yes, I really need to update. I got pretty busy with non-motorcycle life activities, but I've been working steadily on the SL100 all the while. I'll try to post something longer tomorrow. The bikes current state is pictured below.
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Thanks Boat builder! That xl125 looks fun. I actually just test rode my setup two days ago. I used the original exhaust in a temporary configuration. Engine ran well, but I only did a couple laps around the block. I'm going to use 1 1/4" tubing for the exhaust. I was thinking 1 1/2" also, but I...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    So. Time for an update! The last few weeks here brought many things, including 12" of snow. In Portland, Oregon, that means utter chaos. As a result, shipments of crucial motorcycle parts and materials clearly of great importance to the American people (like me) were delayed. But, the snow...
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    My 1981 Honda Twinstar cm200t

    Is this where someone says something like "Suggestions? Ride it!!!" followed by a string of animated emoji? Anywho. I say a seat swap would be the best aesthetic improvement. Comfortable, I'm sure, but bulky. You might consider lowering the headlight and instrument cluster, too. Nothing...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    So, it's been a balmy 25 degrees or so here this past week. Cleaning rear wheel parts in water and Simple Green in my unheated shop space was as appealing as eating dust bunnies. As such, I decided to work other angles. First, I decided to finish battery box fab work. What can I say...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Thanks Alex jb, I appreciate that. I do a fair amount of aluminum sheet metal fab for my job as an aircraft mechanic. I was also really fortunate to be taught welding by an excellent welder at my previous job. I'm still nowhere near as good as he, but I do okay. Cxman, that's my faithful mutt...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Battery box fab continues. I've used two bolts tacked to the bottom to mount the regulator/rectifier. Brackets were made for the CDI and starter solenoid. I marked the positions of the brackets in place, then tacked them on. I just need to mark and drill the rear mounting...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Battery/electrics box fabrication has begun. The box will be positioned to clear the new air filter, which is a 42mm foam eBay item. I also ordered a new Chinese clutch cable to fit the engine. It's the same overall length of the original cable, but has a longer unsheathed length...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    I'm just using the jetting that came in the included carb for now. Don't know what that is. Once it's rideable, I'll report on the jetting. Seems okay at the moment. As you can see in the video, it starts easily ands revs freely, but that can change with a load on it.
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Interesting. I just planned on using the front sprocket included with the Lifan. We'll see how things go when I get there. Sent from my iPhone using DO THE TON
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    On to the first start! Below you will find the wiring diagram I found most useful. This is the pin-out of the CDI unit provided. These were useful in large part because there were two defects in the supplied wiring harness. Thanks goes to cxman for warning me of this. One was the...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    1. Pull off wheel. 2. Remove tire, tube, rim strip. 3.Examine rust. 4. Remove rust. 5. Do a lot of cleaning, polishing, and other stuff I forgot to photograph. 6. Install fresh brake shoes and reassemble. I used EBC 303G grooved shoes. Next, first start of new engine.
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Here's that "break-in" sticker. Pretty amusing. The original exhaust, unfortunately, no longer fits. The Lifan engine's side cover includes a sight glass where the original does not. As a result, the header contacts the engine there and prevents the header flange from sitting flatly on the...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    As I recall, that decal has the "run in" instructions. Pretty basic and in poor English. Basically says only 35mph or less for first 160 miles, then change oil. I'll get a photo of it later. Sent from my iPhone using DO THE TON
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    I looked into the bolt size issue and here's what I found. The mounting holes in my Lifan measure not quite 9mm inner diameter. This is consistent with a loose fit for an 8mm bolt, which is the Honda original size. Curious, I grabbed the box with the cases from the Honda motor and found them to...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    The included carb won't install in place unless you loosen the screws securing the boot to the head. Not much room between the choke mechanism and the frame. The original battery holder and air box assembly is removed. I'm doing a full 6v to 12v conversion, so I'll be fabbing a custom...
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    1972 SL100 Lifan 200CC 163FML Engine Swap and 12V Upgrade

    Alex, Pics should work now, I think. Sent from my iPhone using DO THE TON
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