1998 Yamaha Timberwolf 250, The front brakes are dual drums while the rear uses a single drum brake system. I don't know what year it is, but the plastics are green. Mostly, these… Runs better when I put my finger over the bottom hole at the back of the carby. Search Fixya. Menu Home; About; Blog; Contact; Posted on February 6, 2021 by No changes. Yamaha Timberwolf 250 Won't run properly, cleaned it out, had old fuel in it, won't idle or run properly, backfires. It is also known as Timberwolf 250 2WD or 4WD maintenance handbook. Yamaha Timberwolf 250 service manual repair 1992-2000 YFB250. The quad's electric state doesn't work (believe it to involve the starter clutch) but the pull start works fine. Jump to Latest Follow 1 - 7 of 7 Posts. even with messing with the idle screw next to the bowl on the exterior of the carb. Almost like I'm dragging the whole power train with the weight of the ATV. I got it home and checked it out a little. After repeated attempts, I finally got it to idle with just a small amount of choke. View and Download Yamaha YFB250K Timberwolf owner's manual online. This covers the servicing, maintenance and repair procedures of specific units. YFB250K Timberwolf offroad vehicle pdf manual download. A 1992 thru 2000 Yamaha Timberwolf 250 repair manual is a guidebook with complete instructions and images regarding the overhauling and maintenance of a 4-wheeler. because Timberwolf is old enough, so many Carburetor maybe got some issues and you need to give it a maintenace. 98 Timberwolf will not idle and has a rolling rattle sound in crank case sound dose not change when you throttle it - Yamaha 2003 YZ 250 question. 1997 Yamaha Timberwolf - Idle backfiring . In its final year, the quad featured a 229.6 cc engine that took unleaded fuel as a main fuel source. It still has decent power (80-90% maybe as it is now) but I can't figure out why it's popping and won't hold an idle suddenly. 1998 yamaha timberwolf 250 atv all of a sudden won't idle steadily - cleaned carb, fresh gas, new spark plug, new air filter. Hey everybody, I have a 1997 Yamaha Timberwolf that is having an idling issue. Carburetor was an important parts for this Yamaha Timberwolf 250 To supply the fuel through the engine. if you're not really experienced to replace it, here it is the Yamaha Timberwolf 250 Carburetor Diagram to guide you overhaul it. A guy near me was hard up for money due to losing his job and said he'd take $100 cash for a Yamaha Timberwolf 2WD he had sitting in his yard so I snagged it. . The quad will not start up unless the choke is on. Tried everything I can think of. I took that as a good sign. Browse Categories Answer Questions . Discontinued in 2000, the Yamaha Timberwolf was a utility ATV that Yamaha manufactured to be capable of heavy-duty work and trail riding. While idling like this, if I gave it more choke, the revs would increase. Also for: Yfb250uk timberwolf, Yfb250u timberwolf. Yamaha Bruin 250 - Idles but won't take throttle. Mad German ... At first, even at full choke it wouldn't start. ANY ideas would be great.