Dear Ralph: I have a flooding problem with my engine. If the sled sits for a while without turning off the gas, the crankcase gets

Dear Ralph: What is “tunnel porting” ? Is this only a Ski-Doo thing ? Lee Kempffer To be accurate, tunnel porting is performed on rotary

Dear Ralph: What is the difference between Mikuni VM38SS and VM38AL carbs ? I thought that the XLT Special and XC 600 were using the

Dear Ralph: I’ve heard somebody say that it is nearly impossible to get over 110 horsepower out of an engine with a single pipe. If

Dear Ralph: My Indy Classic seems to have a problem with the throttle override kicking in at low rpms which causes the engine to backfire.

Dear Ralph: I’ve heard that these new “Nicasil” cylinder liners have a longer break-in period than do the cast liners. How many miles should I

Dear Ralph: Why would my ’96 XLT have an unusually high idle speed? A high idle is usually caused by a lean condition. Most people

Dear Ralph: Some of the lugs on my inch and a quarter (high) bar track are starting to tear. Is there any way to fix

Dear Ralph: I have a ’96 583 MX Z. It rides nice but it is quite tippy in the corners, especially if you have the

Dear Ralph: My Indy Classic seems to have a problem with the throttle override kicking in at low rpms which causes the engine to backfire.