Hi to all sr owners. I am working on my dad´s bike for him and i have a problem with oil coming out of the crankcase breather about 10 seconds after it has been started (about 500 ml in 8-10 seconds). The bike has been stored the past 3 years. I am wondering if it is simply an airlock that has to be bled out, or maybe a problem with the scavenge pump. Thanks in advance!!