Husqvarna Blue Bird Bed Bug Engine and Clutch are Honda GX 160’s, with Gear Reduction and Centrifugal Clutch. The Honda Engine has sufficient power for this application however; we have had Clutch Gearbox Temperatures go high enough to melt the Plastic Gearbox Dipsticks. Husqvarna Blue Bird has recommended setting the high idle as high as 4000 rpm and as low as 3000 rpm. We have tried both with no alleviation of the problem. 4000rpm would make sense except we feel this would be a danger with the Catastrophic Blade Failures of this machine. A Honda Service Rep feels the Bed Bug is the wrong application for the clutch on the GX 160 However engineering is beyond his expertise.
Currently we set the high idle rpm’s at 3600 rpm + - 100 rpm. We will not change rpm’s until Husqvarna Engineers publish a Service Bulletin saying otherwise.
While the Dipsticks continue to melt, we have never had a Honda Clutch failure or fire.
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