Super Mini
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The now even more Insanely fast, totally trick, and immaculately well prepared Hench Engineering Works Honda CR112 is being built right here!
First order of business - more power. How? Easy. Bore and stroke the 83cc engine to 112cc! Old, limp, sacked out 83cc piston on left, new, fresh, firm, substantially larger piston on right. Just looking at that new piston is worth a half a second a lap.
Close inspection by a trained professional like Hench reveals excessive piston wear due to dirt ingestion, and maintenance neglect of prior owner. Actually, as the picture below shows, this piston was so bad, Ray Charles could've seen the wear:
Ah, the look of pure art, in a mechanical form of course. Rick Peterson Motorsports (626-967-3052 www.RPMSBIGBORE.com) creates the masterpiece by starting with HENCH's clapped-out CR80 motor, and applying generous amounts of his in-house machining and plating facility to morph it into the CR112. Besides boring and stroking, the cases get relieved, the cylinder gets welded, reshaped, ported and plated, the head gets machined, o-ringed, and the water flow rerouted. The crank gets stroked, trued, welded and balanced, and of course all new bearings and gaskets go into the re-assembly. Rick also gave me some slick stickers for the front fender and swingarm that are worth at least a half a second per lap. If you look close, you can see the Moto-Tassinari V-Force reed cage. We're talkin' almost 30 horsepower from 30 pounds! Power should no longer be a problem folks.
Motor in the repainted frame, and rear suspension, subframe assembly and steering head installed.
Now for some fun: We remove from the frame hole the rubber bumper that supports the stock radiator. (Excuse the fuzzy pictures, my digicam is weak in low light and closeups.)
And we insert this trick little flat nut with a tang on it into the frame hole that used to house the rubber bumper. Why do we do this?
..To install the RPM MONSTER radiator kit! Slick bolt on mod uses stock mounting hardware and holes, and increases coolant volume by about 100%. Since we're going to be putting out substantially more power, it's a good idea to provide some extra cooling.
Ahhh, yeah, LOTS of extra cooling! The kit rad is twice as wide, and fatter as well. 6th gear sandwashes on a 100 degree day anybody? The extra cooling will preserve horsepower. Translation: It's worth at least a half a second per lap.
There, a little trimming on the shroud, and it looks stock except that we know it's not!
What's this you ask? On the left, stock Honda exhaust manifold with steel spring seal that leaks goo like Clinton leaks, well, goo. On the right, is the Atomic 22 zinc-plated, o-ringed exhaust manifold that seals against leaks like a federal judge's gag order. Talk about "Cleaning up your act!" Better sealing means no goo, and no dirty air being sucked back into the motor from the exhaust port. That means more horsepower, and yep, at least a half a second per lap. Look closely. "Why did the spring-hole cross the bolt-hole?" "To get to the side where the pipe-spring doesn't rub on the pipe!" I'll bet those chickens didn't have a reason half as brilliant.
OK, we've got power, now we need to put it to the ground. Enter Nick Costello at ProValve. (714 708-2583 www.ProValveMX.com) ProValve did the frame repaint, (it looks better than the paint on the Hench van - when it was new!) pressed new steering head bearings onto the stem, and, more importantly, did the suspension work. Most importantly, he did it for a fair price! The forks get sprung significantly stiffer for Hench's lard-ass, which of course requires re-valving the damping. The rear needs even more work, (the bike's rear, not Hench's,) as the big wheel version of the CR80 has a 1" longer swingarm, which increases leverage. Translation: Even stiffer rear spring and re-valving with more compression and rebound. All the rear suspension linkage pivots get a complete overhaul, and both ends get the old, stock, dead fish oil thrown out for some quality 5wt. That ought to stick the wheels to the ground like Velcro. Of course, the trick ProValve fork stickers are worth, you guessed it, at least a half-second a lap!
In our next episode,
we'll figure out how to stop the thing once it gets going at warp factor 10,
throw some wheels and tires on it, install a seat foam kit, and of course,
get some trick HENCH Engineering graphics for the seat/tank. (Are you listening
Gordon?) When we're done, we'll take it out for a full test crash ride,
and of course, give you the full report! We'll give a fair review of every
piece of aftermarket equipment installed and service provided, we'll roast
the junk, as well as heap praise on the performers. STAY TUNED!