Improve listing on ebay

Job ID: 33272601

Budget: €30 – €250 EUR

I have 4 products published on ebay.com for years. But now i want to improve seo to sell more. Can you do that? Can you show me some reference?

My ebay store: https://www.ebay.com/str/powersportsdiagnostics?_trksid=p2047675.m3561.l2563

Related categories: Internet Marketing SEO eCommerce Product Descriptions eBay