Yamaha 2-Stroke Leak-Down Tester

| 8/3/2015 1:16:00 PM

Yamaha leak-down test kit

Two-stroke specialists HVCcycle have introduced a new leak-down test kit designed for the Yamaha RD350, RD400, R5 and DS7. The kit includes a gauge, exhaust port plugs, intake plugs and a hand squeeze bulb — no external air source is needed. The gauge is very sensitive, so even the smallest leak will be immediately obvious. The exhaust port plugs are quality metal/rubber pieces, making blocking off the exhaust ports easy. The kit is complete with instructions and packaged in a neat little case for storage. Pressure is in HG but a conversion card to PSI is included. If you are having a tuning issue or have just pulled an old Yamaha RD out of long-term storage, a leak-down test is key!!

Note: This kit is designed for the stock intake manifolds and stock size exhaust ports. If you have larger intakes or modified exhaust ports this kit will not work.

Click here to read the Motorcycle Classics article on leak-down testing.

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