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Motor's We sell LRD and CT racing motors and motor parts. This motor that you see below is a LRD 370 big bore Power valvekit.Here are the specks. the 350 P.V. cylinder to the same exacting quality standardsas we do the 250. Both useour hard cylinder sleeves and precise portshapes. LRD Ported 350 cylinders have always made awesome hpbutthe Power Valve takes this engine to a much higher level. The low endis much improved and the enginemakes a much smoother transition intothe power band when rolling on the power. This mean the enginewillcome out of the corners much harder with less wheel spin and morecontrol. Cornering speed is increasedand rider fatigue is reduced. Thisresults in increased acceleration down the straights and increasedspeeds inthe tight infield sections. Because this engine turn more RPMtop end speed is much increased as well. Thisengine
pulls like no TRXengine ever has before. This engine torques off the bottom, pulls hard in the midrange and screams on the top end. This is an engine that trulydoes it all.Available with bore sizes from 77.50 to 79.00 mm. Kit includes Cylinder, coated piston, wrist pin, wrist pin bearing, top end gasketso-rings, spacer plate, cylinder dowls, long base studs, power valve assembly, brake in oil and spark plug. 350 kit require machining center case to accept larger diameter sleeve. Kit is available with your choice of Niks or Pro-Design heads.
The motor that you see below is a 370 big bore kit.LRD has developed the most powerful and reliable Honda stroker big bore kitsever. We increase the stroke to 76mm and the bore to 76mm using our portedversion of the Niks 330 cylinder. This kit when used with our exhaust and intakecomponents will give a 30 hp increase over stock. We suggest the up-gradedclutch with a Hinson clutch basket, machine the clutch center and pressure plateto accept 15 clutch plates. Kit requires case machining. The result is a reliableHonda that is unbelievably fast and ridable. Our complete approach to this kitassures that all you have to do to is add gas and go riding!
This LRD motor below is for a 400ex . The LRD 460 kit includes a 4 mm stroke increase with a 89 mm bore piston. Along with the displacement we increase the air flowwith our big-valve head mods, 39 mm FCR Carb, LRD Exhaust System, Race Cam and Valve Springs, 15 plate clutch kit, and Hinsonclutch basket. This is the largest displace increase you can reliably do to the 400 EX. The stroke increase will make more hp at everyRPM. This results in a big increase in acceleration. Works excellent for most
types of racing and is awesome for play riding.
This motor that you see below is a ct 350 big bore. CT ported Pro-X cylinder kit, forged piston kit, gaskets, CT pipe and silencer, Keihin PWK38 or 39 carburetor with cable, CR-reed cage, Intake boot, cases machined, crank rebuilt, main bearings and seals, engine tear down and assembly with a 78mm bore.
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