How much torque does a Honda XR 250 have?
These bolts have different torque values according to diameter. The 10mm cylinder head bolts torque to 27 to 31 foot-pounds; the 6mm head bolt on the cover and cylinder torque to 7 to10 foot-pounds. The 8mm cylinder cover bolt torques to 15 to 20 foot-pounds. Honda’s XR250R has a fuel capacity of 2.38 gallons with a 0.53-gallon reserve capacity.
What was the compression ratio on a 1986 Honda XR 250R?
Honda took the peaky power of the ’85 machine and reworked the bore and stroke to allow for mid-range muscle. They kept the same compression ratio but dropped the twin 24mm carbs of the past in favor of a single 30mm unit.
When did the Honda XR 250R come out?
The original XR250 began life in 1979 as a scaled-down XR500. While the engineers at Honda fiddled with the possibilities of punching out the two-valve, 200cc motor, they ran into problems with reliability and settled for a down-sized 500 motor.
What kind of engine does a Honda CR250 have?
A new pipe was also installed together with a new combustion chamber, and a 16-bit central processing unit was added in the ignition system for better timing and performance. The 1999 CR250R was equipped with a 249 cc liquid cooled, two-stroke single-cylinder engine. It had a bore and stroke of 2.61 by 2.93 inches and a compression ratio of 8.7:1.
How much does a Honda XR 250 your weigh?
The Honda XR 250 R model is a Cross / motocross bike manufactured by Honda . In this version sold from year 2002 , the dry weight is 108.9 kg (240.1 pounds) and it is equipped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of and a maximum torque of .
What kind of jetting does a Honda XR250R have?
Stock jetting info as shown in the Honda XR250R Service Manuals: ’86-’91 ’92-’95 ’96-’97 ’98-’04 Carb ID PD05A PD05B PDG1A PDG1A 49-state PDG1C CA Main jet 125 125 132 132 49-state 122 CA Slow jet / Pilot 40 40 45 45 Jet needle clip position 3 3 3 3 Pilot screw / Fuel screw 2 1/4 2 1/4 1 3/4 1 3/4 49-state 1 3/8 CA
When did the XR250R Gen 4 come out?
The US XR250L is based on the US 1986-1995 XR250R model. XR250R Gen 4 and 5 and all XR250L models (91-96) are the focus.
Why is my XR 250 valve not working?
Having problems with loss of power in mid to high rpm range. Bike won’t rev up past half throttle. Been thru carb several times and all electrical components checked and changed out with other used parts. Can’t seem to get it figured out so I moved on to possible mechanical issues. Loading…