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Found 16 results

  1. 0 comments

    Amazing powerful bike. Lifts every gear and beats every 80-200 four stroke I've raced.
  2. 0 comments

    Good Little bikes for learners or just for a bit of 2 t fun
  3. 3 reviews

    GENERAL INFORMATION Model: Honda CR 80 RB Expert Year: 2000 Category: Cross / motocross ENGINE AND TRANSMISSION Displacement: 83.00 ccm (5.06 cubic inches) Engine type: Single cylinder, two-stroke Compression: 8.4:1 Bore x stroke: 47.0 x 47.8 mm (1.9 x 1.9 inches) Cooling system: Liquid Gearbox: 6-speed Transmission type, Final drive: Chain CHASSIS, SUSPENSION, BRAKES AND WHEELS Front suspension travel: 274 mm (10.8 inches) Rear suspension travel: 292 mm (11.5 inches) Front tyre dimensions: 70/100-19 Rear tyre dimensions: 90/100-16 Front brakes: Single disc Rear brakes: Single disc PHYSICAL MEASURES AND CAPACITIES Dry weight: 65.0 kg (143.3 pounds) Seat height: 876 mm (34.5 inches) If adjustable, lowest setting. Ground clearance: 366 mm (14.4 inches) Wheelbase: 1,288 mm (50.7 inches) Fuel capacity: 6.80 litres (1.80 gallons)
  4. 1 review

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 83 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 147
  5. 1 review

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 83 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 147
  6. 0 reviews

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 83 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 147
  7. That whole assembly right their, Im having trouble trying to put it back together. I got bored of wrenching on bikes for like a year, so its just been sitting in my gargage, but now that I have to motivation to finish the engine, I don't remember how this went back together. If anybody has any pictures of their own, or could edit the picture to point where the parts go, it would be greatly appreciated. The bike is 1996 CR80R.
  8. i have a '02 cr80r that i am thinking of changing the sprocket size on ,the bike has an insane topend which is absolutely amazing but i would like to be able to get just a bit more torque out of it on the bottom end . i am leary of the bb kit and have been told that simply changing my sprocket size will do the same thing what are the best sprocket combos to acheive max efficiency
  9. Note: This specifically applies to the '92 - '01 CR250 engine, but it should be adaptable to any 2-stroke. The basic idea is to pull the carb and exhaust, plug one and pressurize the engine through the other to look for leaks. It's very important to pressure test a 2-stroke after it's assembled. The reason is that a 2-stroke gets it's lube through the pre-mix. An air leak means your engine can run lean. Lean means too little fuel. Too little fuel means too little lube. Too little lube means death to your engine. So here we go. First, you need to pull the seat, tank, shock, carb and pipe. Everything you need (other than a tire pump) is shown below. The assembly below is basically a 1-3/4" PVC plug (same OD as the intake pipe ID) that is transitioned down to a 0-15 psi gauge, a shut-off valve and a Schrader valve (to connect a tire pump). The 1-3/4" PVC plug is a tight fit in the intake pipe, but it'll fit with enough persuasion. I used yellow heavy duty pipe tape (made for gas systems) to put everything together. I don't have all the technical names for everything, but if you take the pictures to a hardware store, they should be able to help you piece it together. The item below is an adjustable rubber freeze plug. They are available at automotive parts stores in various sizes, but the closest one I could make work was a 1-3/4" version. You tighten the nut which squeezes two metal plates together which squeezes and expands the rubber piece between the plates. You have to tighten it a lot, but it makes a good seal in the exhaust port. Before you install everything, make sure that the piston is at BDC (so that all the ports are open), the spark plug is installed and all other components are properly tightened. Below, you can see the gauge/valve assembly installed in the intake pipe. Make sure to tighten your intake pipe hose clamp tightly as the pressure will tend to push the assembly out. Below, you can see the freeze plug installed in the exhaust port. Once you have everything installed as shown, use a tire pump to pressurize the engine to 6 - 8 psi, then close the valve and watch the gauge for any pressure drop over a 5 - 10 minute period. A well sealed engine will hold pressure with no observable pressure drop for 10 minutes easily. One common "leak" in a healthy '92 - '01 CR250 engine (and probably other types) is through the powervalve linkage. It probably doesn't affect performance, but it'll sure throw your leak measurements off. To avoid leaks, make sure the powervalve linkage is correctly lubed (per the Service Manual) with grease and Moly 60 Paste during assembly. If your engine holds pressure with no observable drop for 10 minutes, you're good to go. If the pressure drops 2 - 3 psi or more over 10 minutes, spray soapy water all around the pressure test parts first to check for leaks there. If you find none on the test setup, start spraying the soapy water around the base gasket, head gasket, center gasket etc. Any pressure drop of less than 2 psi over 10 minutes is your call, but I'd definitely fix it. I've had really good results by using Permatex Copper Gasket Sealant on the base gasket, PV cover gasket and reed cage gasket. I don't use anything on the head gasket.
  10. 0 comments

    Cr80RB 2000
  11. 1 review

    GENERAL INFORMATION Model: Honda CR 80 RB Expert Year: 2002 Category: Cross / motocross ENGINE AND TRANSMISSION Displacement: 83.00 ccm (5.06 cubic inches) Engine type: Single cylinder, two-stroke Compression: 8.4:1 Bore x stroke: 47.0 x 47.8 mm (1.9 x 1.9 inches) Cooling system: Liquid Gearbox: 6-speed Transmission type, Final drive: Chain CHASSIS, SUSPENSION, BRAKES AND WHEELS Front suspension travel: 274 mm (10.8 inches) Rear suspension travel: 292 mm (11.5 inches) Front tyre dimensions: 70/100-19 Rear tyre dimensions: 90/100-16 Front brakes: Single disc Rear brakes: Single disc PHYSICAL MEASURES AND CAPACITIES Dry weight: 65.0 kg (143.3 pounds) Seat height: 876 mm (34.5 inches) If adjustable, lowest setting. Ground clearance: 366 mm (14.4 inches) Wheelbase: 1,288 mm (50.7 inches) Fuel capacity: 6.80 litres (1.80 gallons)
  12. 0 comments

    Good solid bike. Just had engine rebuilt. Plenty of power for my kids.
  13. 0 comments

    My 10 yr old's new/used bike. So far, so good!
  14. 0 reviews

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 83 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 144
  15. 1 review

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 83 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 147
  16. 0 comments

    Very fun little bike!
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