Evilchicken0 Posted December 17, 2020 Report Share Posted December 17, 2020 Mates ZXR400L It overheats. So far put a thermostat in it, changed the radiator, changed the oil cooler (not sure it's from an "L". Separate fan switch It sounds good the carbs are balanced and it puts out 64bhp, doesnt look like a head gasket Not sure what it could be ... Quote Link to comment Share on other sites More sharing options...
Gobert Posted December 17, 2020 Report Share Posted December 17, 2020 Has the radiator cap been changed? 2 Quote Link to comment Share on other sites More sharing options...
Evilchicken0 Posted December 17, 2020 Author Report Share Posted December 17, 2020 8 minutes ago, Gobert said: Has the radiator cap been changed? Yes when the radiator was done Quote Link to comment Share on other sites More sharing options...
Gobert Posted December 17, 2020 Report Share Posted December 17, 2020 1 minute ago, Evilchicken0 said: Yes when the radiator was done So that's the easy stuff done............have you checked the water pump? Quote Link to comment Share on other sites More sharing options...
Evilchicken0 Posted December 17, 2020 Author Report Share Posted December 17, 2020 Yes it was changed out. Quote Link to comment Share on other sites More sharing options...
Alex_H Posted December 17, 2020 Report Share Posted December 17, 2020 How are you determining that is overheating, fan on all the time? Needle on the wanky clocks in the red all the time? Dumping coolant into the overflow bottle? Might be worth something like https://www.ebay.co.uk/itm/Universal-Motorcycle-Digital-Thermometer-Water-Temp-Temperature-Gauge-W-Sensor/313155825221?hash=item48e98aae45:g:YtwAAOSw5S5fFz2f to get an actual number and work from that. 1 Quote Link to comment Share on other sites More sharing options...
Evilchicken0 Posted December 17, 2020 Author Report Share Posted December 17, 2020 2 minutes ago, Alex_H said: How are you determining that is overheating, fan on all the time? Needle on the wanky clocks in the red all the time? Dumping coolant into the overflow bottle? Might be worth something like https://www.ebay.co.uk/itm/Universal-Motorcycle-Digital-Thermometer-Water-Temp-Temperature-Gauge-W-Sensor/313155825221?hash=item48e98aae45:g:YtwAAOSw5S5fFz2f to get an actual number and work from that. I do ask him that .... riding a Yamaha they get hot touch the red then settle down. But I'm a bit more brutal than he is Quote Link to comment Share on other sites More sharing options...
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