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Hi Jeff -- The OS throttle linkage works well on the K&B. Tower Hobbies has them: Alternatively you could fabricate something similar with your drill and an attitude. I've made throttle linkages out of brass, leftover aluminum stock, a piece of one of my son's broken toys, and most...

Thanks for your responses Camaro and Gratte-tout. Surely, though, there are a few different makes and models. It would be great to get some posts from those with experience with different pipes, materials and so on. Can anyone comment on, for instance, the SPP and Gadjetcraft carbon pipes...

I run a wood Hotshot Sprint and a Top Speed 2, both with K&B 3.5 engines. Neither of them are piped, although one has the stock K&B barrel muffler some might generously call a tuned exhaust. I'm not a serious racer but, like everyone, have found myself ramping up over the years, looking for...

This is truly a stupid question and I apologize, but trust I can rely on this board's usual friendly bunch to help me anyway. I just bought a JR z590m steering servo on eBay but it came without the servo arm retaining screw. This servo has a metal output shaft. I tried a regular horn screw...

To my mind the real problem with junk like this is that it compromises the reputation of good ARR stuff, like Aquacraft. I have to admit that I lumped the Top Speed and TS2 in with crap like this until I started reading about Aquacraft's products here at Intlwaters. I don't know how someone...

Has anyone seen one of these FMH kits up-close? Ebay: FMH Dolphin tunnel I'm not interested in getting one or anything, but there seem to be a lot of them on Ebay right now so it's only a matter of time before someone comes to the lake with one. I've never seen an outboard set up like that...

Thanks for that. For those not following the link, Hyperformance apparently owns Prather's molds (and I assume its much more valuable patents), so the K&B props are knock-offs. K&B even went so far as to adopt Prather's model numbers! If David at Hyperformance reads this I hope he knows...

I'm sure others have already noticed this, but MECOA/K&B is now selling props and other accessories that seem to come straight out of the Prather (may it rest in peace) catalogue: http://www.mecoa.com/acc/marine/index.htm Whether or not you liked Prather's outboard stuff, this is fantastic for...

What's a Rex Carbon Lower? Any pics? Dave

Hi Anthony -- I don't see any pictures in your gallery. Am I missing them? Dave

I built an 53" crackerbox and sealed the wood with epoxy -- worked well. I used a combination of the tips above: first I applied a couple of coats of 30-minute epoxy thinned with alcohol, then (after sanding) gave it a coat of unthinned epoxy, but used a playing card. Using a playing card like...

Hi TKL -- Are you still selling? I've PM'd you. Dave.

Hi Scott -- what's left? Appreciate an update. Yours, Dave

Hi Cliff -- I've PM'd you. Love to see some pictures of that engine. Dave.

I'm a sport boater with a worn-out, 15-year-old, bone-stock K&B 3.5 on a 24" wood Hot Shot Sprint. I'd like to replace the engine and have the sense that the K&B SS is the best balance of performance, ease of use and cost. I'll also consider an OS or alternative. Please let me know if you've...

For what it's worth, I've found that the prop can make a big difference on my Hot Shot Sprint / K&B3.5 boat's propensity to hook. When I run an Octura x437 3-blade it handles fine, but a Prather S220 2-blade with no other set-up changes hooks all over the place. Can't steer it at all. I...

Drywall blades are an ingenious solution for the top PTO bearing -- I'll give it a try. Thanks Bob. Dave

Ron -- thanks very much for that advice. I'll make sure I heat next time. There's no one local who knows anything about these issues -- this is the hinterland of rc boating. I saw the bearing splitter when I bought the puller but frankly it seemed really expensive ($50) to deal with one...

I bought a 4" gear puller from Princess Auto, on special for $10: With it I had the flywheel off and 3 of 4 bearing sets out within about 90 seconds without using heat. Great tool. I'm now stuck with the last bearing on the PTO. There's no room between the PTO plate and the bearing edge...

I've had the engine for years -- this is the first time I'll do the bearings. Engine's been in mothballs for a few years after the hull's close encounter with a rock. Really close encounter. The bearings don't even seem that bad to the fingers, but the engine doesn't sound as smooth or seem...