Join Date: May 2019
Location: Townsend Massachusetts
Loud Engine knock
Hey guys. long story short (kind of), after buying my 01 500r with 18k on it I replaced the battery, ignition coils, air filter, and fuel filter cleaned out the carburetor and changed the oil/oil filter. I thought it was running pretty good. Got about 160 miles out of it over the course of week before the throttle started hesitating and the bike died while out on a ride. had to borrow a friends truck to get it home. I didn't have time to dive into it right away so after about a day and a half, hadn't done a single thing to the bike, it started first try. very confused, I decided to give it a shot and got just beyond the end of my driveway before it died again, I think its a fuel problem. walked it back to my garage and of course it wouldn't start again but I'm getting a loud knock from the engine when I try. Its this knocking that really concerns me, I can't identify a pattern to it but its scary enough that I back off the ignition when it happens.
Not really sure what to do next here. Could the knocking be the flywheel? the spark plugs look alright but could it be a cylinder misfiring? could engine knock be caused by an improperly tuned carburetor?
I don't want to admit defeat and bring it to a shop unless I have really have to, sorry for the long read, and thanks in advance.