2 Stroke Engine 45CC 4.35 HP 4 Bolt Gas Engine RC Engine for 1/5 RC Car
A two-stroke engine is an engine that completes one duty cycle in two strokes. The process of moving from one end of the cylinder to the other end when the piston reciprocates in the cylinder is called a stroke.
Features:
NEW ROVAN SPORT (ROFUN) 1/5 Scale 45cc 2-Stroke Air Cooled 4-Bolt Engine (43mm bore, 31mm stroke)
Special HD Design Easy Pull Heavy Duty pull start system works great and has a nice big handle making this a pleasure to start
8000 RPM clutch installed.
Walbro WT 1107 Carburetor
Very Powerful 45cc air cooled 4 bolt head, two stroke motor well over 4HP and tons of low end torque over smaller engines
16500 MAX rpm
New style cylinder head.
Runs on High octane pump gas with 25/1 two stroke oil mix
Ready to bolt right in
Huge oversize exhaust port
Some exhaust systems mounting holes may need to be elongated to make fit on this engine
Attention: 1, Will not fit HPI Baja type vehicles without changing the clutch bell housing 2, Please use it carefully during operation. Do not touch the motor fan with your hands to avoid scratching. Do not touch the cylinder part with your hand to prevent burns.
Specifications: Material: Metal + Plastic Cylinder Diameter: 43mm Stroke: 31mm Displacement: 45cc No Load Maximum Speed: 16500rpm Maximum Power: 3.2/11000 KW/rpm Maximum Horsepower: 4.35/11000 PS/rpm Maximum Torque: 2.8/9000 N·m/rpm Clutch Contact Point Speed: 8000/rpm Idle Speed: 4500 ± 200 / rpm Weight: 2.4kg Product Weight: 2400g Package Dimensions: 21 x 23 x 23cm Package Weight: 2900g Packing: Box
Package Including: 1 x 2 Stroke Engine 45CC 4.35 HP
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My engine had mechanical failure on the 3rd tank of fuel. I've been in the RC hobby since I can remember and I'll be 50 this year. Electric, Nitro (exclusively) and gasoline, I have and tinker with them all. That being said, the odds of user error are much less likely than with someone who was purchasing, installing and breaking in a brand new engine...just sayin.
I used AMSOIL 2 stroke oil mixed 25:1 with VP 94 octane ethanol-free unleaded fuel. I started with the high needle at 1 7/8 turns out and the low at 1 1/2 turns out. I ended up having to fatten up both needles even more as the stock settings were to lean.
15 min heat cycles the 1st tank ect ect....
On the 3rd tank, while still trying to seat the rings with short braps at 3/4 throttle, the engine bogged to a slow stop and died.
Engine disassembly revealed the piston and cylinder had deed scratches. The sealant used to assemble the engine was used to liberally and got into the engine case and may have caused the damage.
I've purchased a piston and cylinder rebuild kit from another vendor to try it again.
T
Tobias Horch
Powerful
Good quality motor arrived in good shape and good condition.
My engine had mechanical failure on the 3rd tank of fuel. I've been in the RC hobby since I can remember and I'll be 50 this year. Electric, Nitro (exclusively) and gasoline, I have and tinker with them all. That being said, the odds of user error are much less likely than with someone who was purchasing, installing and breaking in a brand new engine...just sayin.
I used AMSOIL 2 stroke oil mixed 25:1 with VP 94 octane ethanol-free unleaded fuel. I started with the high needle at 1 7/8 turns out and the low at 1 1/2 turns out. I ended up having to fatten up both needles even more as the stock settings were to lean.
15 min heat cycles the 1st tank ect ect....
On the 3rd tank, while still trying to seat the rings with short braps at 3/4 throttle, the engine bogged to a slow stop and died.
Engine disassembly revealed the piston and cylinder had deed scratches. The sealant used to assemble the engine was used to liberally and got into the engine case and may have caused the damage.
I've purchased a piston and cylinder rebuild kit from another vendor to try it again.
T
Tobias Horch
Powerful
Good quality motor arrived in good shape and good condition.
