Hello, new to this so need some help here please.
I have got a 1997 Honda Hornet CB250 which doesn't start at present. It has been sitting for over a year. When I try starting the bike, it doesn't start? and I noticed that the coolant overflow was bubbling so thought I'd check the coolant.
I drained the coolant, and it was brown. So assuming that there is a block somewhere/screwed engine? Assuming the head gasket or something may need replacing too. I have read in a few places to perform a coolant flush (50/50 mixture of vinegar and water) but because the bike doesn't start, how would this work?
In terms of the bike itself starting, I have thought to change the spark plugs, (complete the coolant flush, somehow), change oil and oil filter, put a new battery in and then see how it goes from there.
So basically wanting some help as to what I can do to diagnose this and get the engine at least running?
If you need more details, please let me know.
Any help is much appreciated.
Thanks!
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