
How to Rebuild Honda B-Series Engines
Frequently Asked Questions
How do I find a car at a Japanese auto auction?
Most buyers use a licensed broker who has auction access. You describe what you want (model, year, grade, mileage) and the broker monitors auctions like USS, JAA, BCA, Arai, and TAA for matching lots. You can also browse auction sheets directly on sites like Goo-net, Be Forward, or Japan Partner. Auction sheets (inspection reports) reveal condition grades and detailed fault descriptions. Bids are placed remotely through the broker.
How does the Japanese car auction grade system work?
Japanese auto auction grades run from S (showroom perfect) and 6 (excellent) down to 1 (rough), with RA indicating "reconditioned accident" and R or A indicating accident history. Interior grades are rated A (excellent) to D (poor). Grade 4 to 4.5 represents a clean car with minor cosmetic flaws and is the most common target range for imports. Always pair the grade with the actual auction sheet fault diagram to understand specific issues.
How do I use Yahoo Japan Auctions to source JDM parts?
Yahoo Japan Auctions is Japan's largest secondhand marketplace with massive JDM parts inventory. Non-Japanese residents must use a proxy buying service like Buyee, Zenmarket, or FromJapan, which bid, purchase, and consolidate shipments on your behalf. Fees run 5-10% of item price plus shipping. Use Google Translate on part numbers or car-specific terms, filter by condition, and check seller ratings carefully. Allow 2-3 weeks for consolidated international shipping.
How do I decode Japanese auction grades?
Standard grades: S = near showroom condition, 6 = very minor age-related marks, 5 = some small scratches or dents, 4.5 = clean with minor cosmetic issues, 4 = presentable with visible minor blemishes, 3.5 = moderate wear for age, 3 = heavy wear or light accident repair, 2 = significant issues, 1 = rough/project car. RA = reconditioned after accident (repaired but history disclosed). R = accident history, A = flood history. Grade 4 and above is the usual import target range.
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Before making promises about collection, coordinate the inspection, paperwork, seller release and transport. Give each part of the purchase its own check.

