JNK Machine Works

JNK Machine Works JNK Machine Works LLC. was founded in February 2022 by Joseph Kemp and Travis Northrup as an ATV/Dirtbike repair and powersports performance shop.

We specialize in 2-stroke powersports performance but also provide dyno tuning, machined product services.

For those of you that don't know we have full engine bearing and seal kits for the lt-250r. These kits include all high ...
03/15/2023

For those of you that don't know we have full engine bearing and seal kits for the lt-250r. These kits include all high quality bearings and seals and are pre-packaged with labeling for the location of each item. Follow the links in our bio to purchase on either our eBay store or website, prices are better on our site since there are no seller fees.

Prototyping some a-arm bushings kits for 87 and 88-90 lt500r's.
03/05/2023

Prototyping some a-arm bushings kits for 87 and 88-90 lt500r's.

Yamaha rz350 project getting started up! R6 suspension parts, lots of custom fab work and 4 mil stroker motor.
02/18/2023

Yamaha rz350 project getting started up! R6 suspension parts, lots of custom fab work and 4 mil stroker motor.

Check out our website, we now have filters, premium 4 stroke oils (10w-30 and 10w-40) and 80w MTL for your 2 stroke ge...
01/10/2023

Check out our website, we now have filters, premium 4 stroke oils (10w-30 and 10w-40) and 80w MTL for your 2 stroke gear cases. On top of that we have standard Keihin hex main jets. If you're in the Rochester area parts are available for same day pickup, more parts coming soon!

LT250R and LT500R bearing and seal kits coming soon. Engine kits will include all brand name parts and replace every sin...
12/18/2022

LT250R and LT500R bearing and seal kits coming soon. Engine kits will include all brand name parts and replace every single bearing and seal in the engine.

Winter project time? Get a hold of us soon so you can get in our schedule. Here's a custom high compression o-ringed hea...
11/13/2022

Winter project time? Get a hold of us soon so you can get in our schedule. Here's a custom high compression o-ringed head for (my) lt-250r engine. This head has 16.5:1 compression ratio and is only 15cc dome volume for use with 110 race gas, the squish band was designed to match the wiseco forged Piston at a corrected angle and diameter to provide ideal squish band velocity based this engines specific port layout. The shape is also recessed into the head to allow for the removal of the head gasket and return squish band clearance where it needs to be. The hp numbers don't lie and this thing got a bump of about 25% more power combined with the fresh rebuild.

Freshly rebuilt crank. This rod kit removes need for the notorious steel thrust washers and is a better solution than ...
10/22/2022

Freshly rebuilt crank. This rod kit removes need for the notorious steel thrust washers and is a better solution than the aluminum thrust washers.

This year for jnk days 2022 we will be getting t-shirts and hoodies made. If you can help us out by commenting if you wo...
08/25/2022

This year for jnk days 2022 we will be getting t-shirts and hoodies made. If you can help us out by commenting if you would be interested in a t-shirt, hoodie or both and what sizes you'd be interested to help us get an idea of the quantity we will need we'd greatly appreciate it! We look forward to seeing everybody out this year.

97 Sea-Doo spx, with it's rebuilt rotax 787 all buffed and waxed ready to hit the water. Need your pwc engine rebuilt or...
07/16/2022

97 Sea-Doo spx, with it's rebuilt rotax 787 all buffed and waxed ready to hit the water. Need your pwc engine rebuilt or carbs rebuilt? Get a hold of us to get your summer toys tuned up.

Rotax 787 rebuild for a 1997 spx. Fresh rebuilt crank, .05 mm over top end, cast pistons for a reliable ride and a bet...
06/29/2022

Rotax 787 rebuild for a 1997 spx. Fresh rebuilt crank, .05 mm over top end, cast pistons for a reliable ride and a better than OEM oil pump drive shaft custom machined out of delrin.

We'd say that's a good looking line up!
06/20/2022

We'd say that's a good looking line up!

Address

989 Roosevelt Highway
Hilton, NY
14468

Opening Hours

Monday 5pm - 8pm
Tuesday 5pm - 8pm
Wednesday 5pm - 8pm
Thursday 5pm - 8pm
Friday 5pm - 8pm
Saturday 10am - 6pm

Telephone

+15854908915

Website

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