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Yeah I left it in. I don't know why I thought it would prevent me from servicing the rest of the cartridge. I don't think these forks have been serviced a long time. The rebound clicker barely turned previously. Now after cleaning and servicing it works like new.

Glad you solved your issue! The only time I use a pressure washer is at the races, and I aim low with the high pressure. Mainly use my garden hose to clean bike….and never spray water at switches on handlebars…or connectors for TBI…. I have never had an issue with both of my 300SX”s….stock these bikes are fun, with a tune and gearing for your riding….these bikes are unbelievable….I go from high rpm Mx track to tight woods riding with just a pipe swap and selecting the a different map…

Could be the reflash, contact motox and see if they can restore it back to stock...as a test. The mapping might be too aggressive for your conditions, most of these bikes run different from each other right out of the crate. A reflash doesn't always work for every bike across the board, yes it ran good for a short time but then it caused adverse affects....hard to know for sure. starting back from stock eliminates the reflash, then you'll know. You might be better off to go with a tsp erm, you can control mapping, build your own maps, download...