The bore is 83mm (3.270"), stroke is 70mm (2.7559") total displacement is 379cc
The bore and stroke is different, But if you set the 2 side by side they will look the same other then some 400 engines have an extra freeze out plug in the side of the block that the 350 don't have. 350 bore and stroke is 4.000 bore,stroke is 3.480 400 bore is 4.125 and stroke is 3.750
Bore 4.120 Stroke 3.75
4-stroke... The 400 is a 2-stroke
2 stroke
yes it does
Most 91 polaris 400's are 2-stroke , and there is an oil tank in the front . Make sure the oil is 2-stroke oil for injection .
The 1995 Polaris ATV 400 is equipped with a four-stroke engine, not a two-stroke engine. This model features a liquid-cooled system designed to maintain optimal operating temperatures. Polaris ATVs from that era typically utilized four-stroke technology for better efficiency and reliability.
bore and stroke a chevy 400 smallblock.
The 1995 Polaris Explorer 400 is a two-stroke engine. This type of engine is known for its simplicity and lightweight design, which contributes to the vehicle's performance and handling. Two-stroke engines typically provide more power for their size compared to four-stroke engines, making them a popular choice for snowmobiles and ATVs like the Polaris Explorer.
There is no valves as it is a 2-stroke engine .
The 1995 Polaris Sportsman 400 is a four-stroke ATV. Polaris designed this model to offer better torque and fuel efficiency compared to two-stroke engines, making it suitable for various terrains and riding conditions. The four-stroke engine provides a smoother power delivery and is generally more environmentally friendly.
If you mean the difference between the Pontiac 400 and 455....the differences are the bore size, the crank stroke length, and the main bearing journals. All are bigger on the 455. However, there is also a small block Chevy 400....which has nothing the same as the other two. The Pontiac 400 has a bore of 4.12, stroke 3.75 and 3" main journals. The 455 has a bore of 4.151, stroke of 4.21, and 3.25" main journals.