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For my next upgrade on progect Resto-mod minibike I will be installing a full hydraulic fork from a Suzuki K10 Motorcycle. It has 5 full inches of high quality oil dampened travel to soak up the bumps when trail riding. I replaced the spring on a tube rear stock shocks with genuine 13 and...

Putting a Predator 212cc on Rupp Roadster 2 can be a challenge since some of the stock parts do not fit the Predator 212cc. Exhaust and carburetor intake manifold and TAV bracket are 3 of the biggest problems. Thankfully the exhaust problem has been fixed by Robertson Torque tubes which fits...

I am building a Resto-mod Rupp Roadster 2 complete with a Harley Davidson Daymaker clone on it. Mounting the factory TAV cover is a bit complicated since the original style Rupp TAV bracket does not fit on a "P" engine. I am modifying the stock bracket with some steel stock 16 Guage. I seen lot...

I bought a new reproduction Rupp switch from Blackwidowmotorsports and I have a 30 watt low beam 45 watt high beam Daymaker LED clone that I bought from Amazon. According to a calculation the max amp that a 45 watt bulb would draw at 12 volts is 3.75 amps. Will the Rupp Roadster 2 factory style...

I started painting my 1971 Rupp Roadster 2 Green Metallic since that was the original color. Prepping the gas tank is the most drawn out process and I keep adding build up sanding primer to get rid of any small dents which there are quite a few which keep appearing when rotating the tank in the...

Looking at the bottom of my frame it appears that the engine bolts onto the frame with the 4 small round holes rather than the slotted holes based on the round marks left on the frame. Just making sure since I am going to paint my frame tomorrow and clearcoat it this weekend. I plan on...

Here is what I will be putting on my resto-mod Rupp Roadster 2. It should be in the neighborhood of about 12 to 13hp. It still has the stock camshaft so I doubt it will turn much more than 6000rpms when it is attached to the 20 series TAV on the bike. Should I pony up another $75 or more dollars...

I just installed my 22lb valve springs and ARC billet con rod and my ARC billet flywheel in my non-hemi 212cc Predator and I absolutely hate the goofy spring pulled throttle set up on the Predator 212cc with the cheap plastic throttle almost seems like flipping a light switch when compared to...

I found a fiberglass fender on BMIcarts.com and I am modifying it to look more like a Rupp Roadster 2 fender. I cut it down to just over 25 inches long from the original 28.5 inches. I also removed the rear shaped fender edge and using my front fender recreated the same shape which looks just...

Upon sanding my bike for painting I found that the original color was red on the frame and the swingarm so I know I have a 1971 bike. I am wondering if anybody here knows the most popular colors roughly in there order for the 1971 Rupp Roadster 2?

Well it turns out my bike is a 1971 since the rear swingarm was red. I gently sanded through the yellow an the frame was red.

I have a 1971+ style frame Rupp Roadster 2 that I am going to be doing a Resto-mod on it since I do not have a good running period correct Tecumseh HS40. Whoever owned my bike went and painted it Yellow however I see around the rear shocks were the washer was that the swingarm that the color was...

There are 3 styles of Comet TAV. Comet 20 series and 30 series. I am pretty sure the 40 Series would be way too big for a minibike. The 20 series is symmetrical belt \/ and the 30 series is asymmetrical \ [. Which one will fit better onto the factory Rupp secondary jackshaft? Which TAV...

I hate bidding on Ebay for stuff only to get sniped with 12 seconds left in the auction. I am surprised that nobody makes rear fenders for the 1971 to 1975 Rupp Roadster 2 minibikes with the 12 inch wheel. Lots of fenders being sold on Ebay are either rusted or cracked or both. Or they are...

I see OldMiniBikes sells an under the seat exhaust for the Predator 212cc with threaded canister muffler. Has anyone used this exhaust system in a slant engine mounted Rupp Roadster 2? It looks like I may need to bend it down slightly due to the angled mount of the engine. Would a propane torch be enough...

I am wondering if someone here on the forum has a decent condition (some surface rust is ok but fairly straight and free from stress cracks) 12 inch Rupp Roadster 2 rear fender for sale? I have PayPal and I will be happy to use that to pay for the fender. I haven't been able to find any for...

I used rust remover gel on the outside of the gas tank and Evaporust inside of the tank plus a couple dozen roofing nails inside the tank and then slosh the tank around to remove the rust from the inside. I may get another gas cap since the one that came with the Ebay gas tank was dented. I am...

I will soon be restoring my Rupp Roadster 2 and one of my rear shocks has a slight bow or bend in it plus they are really just springs on a tube and they do not have any hydraulic fluid damping like modern shocks. I seen that they are 13 inches from eyelet to eyelet. Has anyone put on hydraulic...

Hello, I bought 1972 Arctic Cat climber minibike with a 3 inch clutch and it has 3/4th inch PTO on the engine. The clutch was clanking pretty badly and the guy gave me a replacement clutch which he bought and never installed however it was for a 35 chain rather than the 41 chain which is on...

Hi again, I bought a Rupp Roadster 2 with the 12 inch wheels off of Craig's list a few weeks back and I am looking to make it into a nice little gravel road/low maintenance road and trail machine since I have miles of low maintance roads and trails to ride by my cabin. I am getting the parts...