Why is my Honda 400ex ticking?
It will tick if your valve clearances are too big. . . Definitely check/adjust your valves to spec. If you replaced rocker arms and don’t know what valve lash is then this is certainly your problem. It’s an easy fix.
How many miles per hour does a 400ex go?
Registered. Ok, currently the stock 400ex’s will do 63 mph, had a buddy follow me in his car on the road a year ago. My buddies 04 will go a little faster than mine due to different gearing. The do not go faster unless you do things to the gearing, tire size or increase your RPM.
How many valves does a 400ex have?
Drivetrain. Honda outfitted the 400EX with its 397cc displacement single-cylinder, four-stroke RFVC (radial, four-valve combustion) engine.
How much is a 400ex worth?
|Suggested List Price||Average Retail|
What kind of parts can I get for my 400ex?
A vast array of OEM and aftermarket parts for your 400EX. Head kits, Cylinder kits, Engine kits, seats and guides replaced, cams, valves and spring kits, multi angle valve jobs, oversized valves installed, porting, big bore head mods., cylinder boring/honing, big bore kits.
Will 5 angle valves work on a 400ex?
The 5 angle valve job really shines on big valves as the seat diameter is opened up all the way into the aluminum casting, blending to the port work. Adding +1mm valves to a modified engine package helps the mid to top-end horsepower. Most aftermarket hi compression pistons are NOT clearanced for +1mm valves, on the 400ex.
How do you do a Honda TRX 400ex valve clearance adjustment?
Watch the video above and follow the steps below to learn how to do a Honda TRX 400EX valve clearance adjustment. Step 1. Remove the rear fender and seat by releasing the latch at the back and lifting the entire assembly off the ATV. Step 2. Remove the fuel tank cover by pulling out the four plastic rivets holding it in place.
How much does it cost to rebuild a Honda 400ex engine?
Advanced Machining Services, Honda 400EX engine rebuilds, crank rebuilds, transmission repair. Box it up and ship it. 400EX 440 Big Bore Cylinder Kit $459.00 Don’t want to dig into the motor, no problem, box it up and ship it. We’ll do the top end (head & cylinder) set valve lash, cam timing, install new piston kit add $249.00 to below prices.