Eastside Powersports

Eastside Powersports Chris Mclellan began Eastside Powersports to offer top of the line precision machine work and engine assembly. Everything is done in house!

Everything from stock naturally aspirated engines to Darton sleeved longblocks capable of 50+ psi of boost.

Here are 2 pictures of a combustion chamber on a Yamaha SVHO cylinder head. The first one came from a well known shop as...
05/25/2026

Here are 2 pictures of a combustion chamber on a Yamaha SVHO cylinder head. The first one came from a well known shop as a refreshed cylinder head. Upon initial inspection, the head failed a vacuum test so cleaning and disassembly was required. The one next to it is a refresh done here, at Eastside Powersports. It’s amazing what people are paying big money for and what they’re actually getting.

Fresh cut multi angle performance valve job on this SVHO head, off to the CNC for a quick mill and onto assembly and val...
05/14/2026

Fresh cut multi angle performance valve job on this SVHO head, off to the CNC for a quick mill and onto assembly and valve shimming

Up next is a Yamaha SVHO cylinder head in for some bronze guides, +1mm Valves and Viton seals. Guides were installed, re...
05/10/2026

Up next is a Yamaha SVHO cylinder head in for some bronze guides, +1mm Valves and Viton seals. Guides were installed, reamed with a carbide reamer and diamond honed for that perfect clearance.

Cutting up that copper…..
05/08/2026

Cutting up that copper…..

Final touches on this Seadoo 325 engine and off she goes.
05/06/2026

Final touches on this Seadoo 325 engine and off she goes.

Getting this Seadoo 325 short block together. Installed steel sleeves, forged piston, pinned crankshaft. Almost ready fo...
05/01/2026

Getting this Seadoo 325 short block together. Installed steel sleeves, forged piston, pinned crankshaft. Almost ready for the fresh head.

Seadoo 325 cylinder head refresh. Short block assembly up next
04/30/2026

Seadoo 325 cylinder head refresh. Short block assembly up next

Onto the next full built 300 long block. Complete with a CNC race ported head, forged rods and pistons, steel sleeves, P...
04/27/2026

Onto the next full built 300 long block. Complete with a CNC race ported head, forged rods and pistons, steel sleeves, Pro Valve valvetrain. Ready for some boost

From Yamaha CNC porting to Seadoo. We doo it all
04/21/2026

From Yamaha CNC porting to Seadoo. We doo it all

That’s a wrap on this SVHO race head.
04/20/2026

That’s a wrap on this SVHO race head.

Address

61 Arrow Road
Wethersfield, CT
06109

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

(860) 515-6748

Website

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