865cc Big Bore Kit for Royal Enfield® 650 Twins

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865cc Big Bore Kit for Royal Enfield® 650 Twins

Item #: 920-0145

5.0 out of 5

4 reviews | Write a Review

$799.95

Qty:

Complete kits include cylinders, pistons, and a head gasket

	Stock	S&S 865 Kit
Bore X Stroke	78 x 67.8mm	90 x 67.8mm
Compression Ratio	9.5:1	11.0:1

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Average Customer Rating

5.0 out of 5

100% of customers would recommend this product (4 out of 4)

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2 of 2 people found this helpful

5 out of 5

Big bore

Really changed the machine and made a pretty great machine a very awesome machine!

I would recommend this product

by Billy on May 10, 2021 8:43 PM

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2 of 2 people found this helpful

5 out of 5

Big Bore

The big bore kit 865 along with the Race Two Into one, Ported head free flowing air box mods put out 71 horsepower the the rear wheel after tuning! Much more midrange pull. This bike is really a jewl waiting to be massaged the six speed transmission is one of the best along with a very well thought out frame that handles the extra power. Thanks Royel Endfield and S&S cycle for teaming up to build a Screamer for the working guy!

I would recommend this product

by Tony C on May 10, 2021 12:25 PM

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1 of 1 people found this helpful

5 out of 5

Amazing

Bike is smoother than before and definitely more Ooph than before.

I would recommend this product

by Nipun K Mistry on January 30, 2021 10:10 AM

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2 of 3 people found this helpful

5 out of 5

First interceptor in india

I did first upgrade in india 650 to 856cc conversion. The kit from s&s is precise design and easy to install

I would recommend this product

by Sudheer Badar on September 8, 2020 5:56 AM

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Disclaimer	FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.