The following chart shows recommended propellers for each model.
Two-Blades
19x10, 20x8, 20x9
Three-Blade
18x10, 19x11 Narrow
GP61 is designed for a maximum power of 10000
RPM. We recommend that you not use propellers that
will exceed 9200 RPM during ground running.
Two-Blades
22×12, 23×10, 24×8, 24×10
Three-Blade
21×12, 22×10
GP61 is designed for a maximum power of 8900
RPM. We recommend that you not use propellers that
will exceed 7700 RPM during ground running.
Two-Blades
22×12, 24×9, 24×10,
24×10TH, 25×8, 26×8
Three-Blades
21×12, 22×10, 22×12, 23×10
GP76 is designed for a maximum power of 9000
RPM. We recommend that you not use propellers that
will exceed 7700 RPM during ground running.
Two-Blades
26×10, 26×12, 27×10, 28×10
GP88 is designed for a maximum power of 8500
RPM. We recommend that you not use propellers that
will exceed 7300 RPM during ground running.
Two-Blades
27×12, 28×10, 28×12, 29×10
Three-Blades
25×12, 26×12
GP123 is designed for a maximum power of 8900
RPM. We recommend that you not use propellers that
will exceed 7300 RPM during ground running.
Two-Blades
30×13, 31×12, 32×10
GP178 is designed for a maximum power of 9000
RPM. We recommend that you not use propellers that
will exceed 6700 RPM during ground running.
FUEL AND OIL MIXTURE
Always use 40~50 units of unleaded 89~93 octane fuel mixed with 1 unit of synthetic oil (mixture ratio
40~50:1). We recommend Red Line Two-Stroke Racing Oil and Motul 710. These oils can be found at
most motorcycle stores. Synthetic oils used in cheap garden appliances are not intended for methanol
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