I use it also, it works well plus it  is convenient for me to acquire since I work in a Honda/Acura dealership.  Honda's part number is 08732-0032 suggested retail $11.99 for a 32oz bottle, spray nozzle not included.

Mark in AK

----- Original Message -----
From: Todd Last <rubatoguy@COMCAST.NET>
Date: Monday, August 27, 2007 9:53 am
Subject: Engine cleaning
To: vanagon@GERRY.VANAGON.COM

> FYI - I've had really good results with S-100 Motorcycle cleaner
> to clean my engine.
> (Also sold as Honda motrocycle cleaner)
>
> It is of the spray on, wash off variety, is safe for plastic and
> rubber and does not have the smell that the gunk cleaner has.
>
> Todd
>