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26cc 4.5 KWA Marine Engine
Thank you for purchasing your new Venom 26cc 4.5 KWA Marine Engine. Not only did you purchase
a top of the line R/C Marine Engine but you have also joined the Venom Team and it's world class
product line and customer service. Please fully read and understand this instruction manual BEFORE
operating this product.
Note: This product is not a toy and may cause serious injury if not used properly.
VEN-1827
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Summary of Contents for VENOM VEN-1827
- Page 1 Thank you for purchasing your new Venom 26cc 4.5 KWA Marine Engine. Not only did you purchase a top of the line R/C Marine Engine but you have also joined the Venom Team and it’s world class product line and customer service. Please fully read and understand this instruction manual BEFORE operating this product.
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Page 2: Specifications
Specifications Specifications Basic Engine Specifications: Displacement - 25.4cc Bore x Stroke - 34mm x 28mm Max HP - 4.5@12,500 RPM Idle RPM - 3500 +/- 150 Fuel Type - 87 Octane with Premix 2 Stroke Oil Ignition - Ikeda TDi Carburetion - Walbro WT771 with Primer Pump Net Weight - 2.05kg (w/ Mount) Manual Pull Start... - Page 3 Engine Operations Continued Engine Operations Continued -The low speed needle controls the low rpm range of the engine. -The high speed needle controls the high rpm range of the engine. -The idle screw mechanically sets the opening of the carburetor and adjusts the minimum gap for air to pass through the carburetor.
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Page 4: Tuning Guide
Tuning Guide Tuning Guide There are three basic areas of adjustment on a gasoline 2 stroke engine: 1. Carburetor 2. Spark Plug 3. Gasoline to Oil Ratio Carburetor Tuning While the engine is running at idle speed you can adjust the Low Speed Needle to set a steady low RPM idle. - Page 5 Tuning Guide Continued Tuning Guide Continued NOTE: Never over tighten the tuning needles when adjusting. This will cause damage and poor tuning ability. Spark Plug Tuning There are a few performance gains from understanding and tuning the spark plug of a gasoline engine.
- Page 6 Basic Exhaust Port Dimension - 20.6mm x 11.5mm Propeller Recommendations The Venom 26cc 4.5 KWA Marine Engine will perform with a range of propellers for gas boats. The Hull design, weight and drive system will have a great influence on the choice of an optimal propeller.
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Page 7: Troubleshooting
Trouble Shooting Trouble Shooting Engine Does Not Start - No spark in spark plug Description Cause Spark Plug 1. Wet Spark Plug Electrode Dry Electrode 2. Carbon Deposits On The Electrode Clean Spark Plug 3. Spark Plug Insulator Damage Replace Spark Plug 4. -
Page 8: Warranty
Venom warrants this product to be free of material and workmanship defects when new. If a compo- nent is defective or was not correctly made, Venom will, at its sole discretion, repair or replace it free of charge within 90 days from date of purchase. If you believe a defect became evident only after operation, please contact us to discuss the situation. -
Page 9: Parts List
Parts List Parts List 1849 1841 1839 1838 1830 1842 1833 1834 1832 1835 1837 1836 1831 1829 1847 1845 1843 1846 1848 1848 1834 1837 1836 1844 1829 1828 VEN-1828 Crankcase Assembly - KWA VEN-1839 Bolt (M5*25) - KWA VEN-1829 Crank Shaft Assembly - KWA VEN-1840 Exhaust Gasket - KWA VEN-1830 26cc Cylinder - KWA... - Page 10 Notes Notes...
- Page 11 Customer Service 800.705.0620 customerservice@venom-group.com www.venom-group.com Australia Venom Group International P.O. Box 7325 United States of America Alexandria NSW 2015, Australia 600 West Buckles Road Hayden, ID 83835...
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