Motorcycle & Powersport (Jet-Ski/Snowmobile) — Sierra Central Credit Union is a rv, boat & motorcycle loan from Sierra Central Credit Union. The ongoing APR is 9.99% *APR as low as: from 15.99% To. Typical credit limit: Minimum Loan Amount: $5,000; Maximum Loan Amount: $35,000. Loan terms: Terms up to 72-Months.