400ex makes a grinding noise after running

2145 Views 4 Replies 5 Participants Last post by crocoyes2, Jul 25, 2020

Hondaowner321

Discussion Starter · Oct 13, 2019

Ok so I just bought a 1999 400ex and it ran pretty good and then all the sudden I was riding it like locked down or somthing and I put it in the garage and it had other problems with spark and stuff so eventually I replaced all the wiring on it with a whole new wiring harness and everything and it starts really hard and I got it running last night and it ran good for about 3 minutes and it just shuts of randomly and makes a screeching/grinding noise and I already checked the timing and the clutch can anyone help me?

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crocoyes1

· #4 · Jul 25, 2020

Whenever an engine makes a screeching noise and quits it's not a good sign. The engine needs torn into to find out what the damage is, maybe what the cause was and what it going to take to correct.

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