Hello all first time post i have a montesa 348 had nearly a year had all sorts of problems, getting it sorted slowly but one thing i"m having trouble with is the clutch side crank seal done it twice and it"s still leaking sucking clutch case oil has measured the crankshaft this time and it"s worn down to 24.7mm has anybody used a SKF speedi seal on a crankshaft. thanks in advance Pete.