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Join Date: Nov 2007
Location: Chandler, Arizona
I use full strength Seafoam to fill carbs with if the bike is going to sit for a while. I have used it in oil on used bikes, but you still have to change to oil about 10 times before it will stay reasonably clean. I would first do a compression check and see what you get. If the compression is low, nothing but an engine rebuild will fix that. If it's the valve guide seals, that's a bit easier, but still a whopper of a job. Being a 2004 with under 1500 miles on it, it may have a lot of problems caused by deterioration over the years. That's why I always start and warm up stored bikes at least every 2 weeks, to prevent internal rust and corrosion and rubber seals from drying out and leaking. That bike may have sat there for 15 years without being touched.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike