| | | 4 Stroke Bicycle Engines & Kits 4 stroke motorized bicycle engine kits are great if you want reliability or do not want to mix your oil and gas. Learn from each other how to get the most out of your 4 stroke bicycle engine | SBP 4 Stoke Prototype Discussion at Motorized Bicycle Engine Kit Forum in the 4 Stroke Bicycle Engines & Kits forum. Just thought I would give all the members here a sneak peak at the new 4 Stroke unit. Time to ...  | | 
03-28-2009, 10:00 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 536
| | SBP 4 Stroke Prototype Just thought I would give all the members here a sneak peak at the new 4 Stroke unit. Time to start testing but of course our lovely weather up here in Washington is raining, as usual.
Last edited by Ghost0 : 04-02-2009 at 10:29 AM.
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03-28-2009, 10:22 PM
|  | Master Bike Builder & Forum Sponsor | | Join Date: Dec 2007 Location: Duvall, WA PNW
Posts: 2,685
| | Re: SBP 4 Stoke Prototype I told you to get a real fuel valve on that thing!! | 
03-28-2009, 10:26 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2009 Location: Green Bay, Wisconsin (Frozen Tundra)
Posts: 108
| | Re: SBP 4 Stoke Prototype I Like It I Was Thinking About Going To 4 Stroke,on My Next Project. Now You Need To Get A Tuned Pipe For It.that Would Be Sweet.how Much Did It Run You, If You Don't Mind Me Asking? | 
03-28-2009, 10:26 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 536
| | Re: SBP 4 Stoke Prototype Well if someone would send me one I might.
D4of4,
This is our prototype. We will be testing it over the next month or so and then get it on the market. BTW tuned pipes don't do any good on a 4 stroke. | 
03-28-2009, 11:05 PM
| | Motorized Bicycle Elite Member | | Join Date: Jul 2008 Location: Northglenn,Colorado
Posts: 595
| | Re: SBP 4 Stoke Prototype Sweet! If that was my bike I would get that throttle on my left so that I can pull the rope with my right. Of course you can still run it easier on the right and on the left it throttles backwards but on my bike it's way cool and a bit anti theft cause crooks be a bit confused.
Anyway,forget what I just typed. That went together quite well.
__________________ You have found the fountain of youth. Ride and forever stay young. | 
03-29-2009, 01:19 AM
|  | Moderator | | Join Date: Mar 2008 Location: Cuk Ṣon, AZ
Posts: 4,724
| | Re: SBP 4 Stoke Prototype Another master piece from SBP  | 
03-29-2009, 08:47 AM
|  | Master Bike Builder & Forum Sponsor | | Join Date: Dec 2007 Location: Duvall, WA PNW
Posts: 2,685
| | Re: SBP 4 Stoke Prototype Jim did it in his free time   | 
03-29-2009, 09:09 AM
|  | Vendor | | Join Date: Dec 2008 Location: Longneck, DE
Posts: 103
| | Re: SBP 4 Stoke Prototype Huzzah....Huzzah....Huzzah....Huzzah!!!!  | 
03-29-2009, 02:49 PM
|  | Motorized Bicycle Elite Member | | Join Date: Nov 2008 Location: Las Vegas NV USA
Posts: 428
| | Re: SBP 4 Stoke Prototype i was wondering when a 4 banger kit was coming out. looks great guys. Monkey motorbikes is in the works. | 
03-30-2009, 09:35 AM
|  | UK Dealer | | Join Date: Jun 2008
Posts: 475
| | Re: SBP 4 Stoke Prototype Hats off to a fantastic group of innovators! Good work chaps. Will hopefully be throwing some custom in your direction shortly!
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