Atc 250r exhaust7/5/2023 I also have several pics of it with the FMF setup on it I will post for comparison. Give me a couple of days and I'll roll her outside and get some better exhaust pics. Silencer mounts up better than the FMF too. All in all, it's a good fit other than a little modification to the skid plate. Get it wide open, hold it there for a few seconds and in one motion pull in the clutch and kill the engine and coast to a stop. It comes out of the cylinder and curls farther toward the left side of the engine before swinging back around to the exhaust side. The only way to check the main jet is by testing it at wide open throttle. Also, the taper going from the cylinder to the expansion chamber is smoother in transition and longer. My ESR pipe is clearly a bit fatter as I have noticed my boot has a tendency to almost rub the expansion chamber when I'm getting set to kick it over. It was alot of fun for the 4 of us ganging up on this build once I got the engine assembled! 00 Buy It Now Free shipping Sponsored 99 HONDA CR 250 CR250 CR 250R FMF FATTY EXHAUST PIPE CHAMBER HAS CRACK Pre-Owned 85. I recall they had to slightly modify the skid plate, but I didn't pay too close of attention as while they were installing the exhaust, I was on the other side doing coolant hoses, carb, etc. My brother's helped me put it all together and they installed the exhaust. That's about the best pic of the exhaust installed I have at this point. PTR Fat Boy 2 aluminum 2-stroke silencers are a proprietary brand of Duncan Racing International, Inc.Let's see. Failure to do this will result in a noticeable loss in performance.ĭRI offers a special tool for repacking Fat Boy 2 silencers. The only one thats really an exception would be the hole in the top of the piston- if you find an oil fouled plug, rotate the engine by hand until that piston is at the top of the cylinder, you may be able to shine a flashlight in the spark plug bore to see if the piston is ruined. When repacking silencer it is imperative that the core is reinstalled properly. *For Maximum performance it is advisable to repack your Fat Boy silencer with only genuine Fat Boy Repacking kits every 6-10 hours.įat Boy 2 cores are off-set to the top by design. Replacement packing, cores, screws and end caps are available.Īll Fat Boy silencers work with PTR pipes and/or stock pipes (except when noted) and use stock OEM mounting hardware. Producing a deep, throaty, strong sounding exhaust note.Įach Fat Boy is built with the highest quality aluminum, featuring a CR250 type core, steel end cap with stainless button head allen screws and 1000 degrees silencer material. These distinctive mufflers provide better low end power, as well as maximum over rev at top speed. HC NOA03004 / 00495585701 1985 HONDA 250R, this has a fmf pipe, tires are in great shape, it runs very well and is very fast, ridden 2 last. No other silencers make better overall power than the Fat Boy. These two stroke ATV silencers have set the standard as the top performer over the last decade. 1987 Honda FOURTRAX 250R ( TRX250R ) - Rear Brake Caliper All Diagrams Body & Fenders Control & Brake Electrical Engine & Exhaust Frame. Part #FB-RPK9 Fat Boy Repack Kit (packing, screws, decal, instructions)įat Boy 2 Silencers will only work with PTR pipes on Suzuki LT 250 Models. Part # FB-S29S 91-92 Suz LT 250 STD Fat Boy 2 $169.95 ATC250R Specs/Edit Drive Type: Chain Front Tire Size: 23.
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