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ProtoDie
01-07-2016, 07:04 AM
we have been using CV-tech clutches on our horizontal shaft engine builds.
they work awesome.
this is what we used on our last build, 714lb 2 seat buggy with 21hp Honda engine.

SS630R (http://www.minibuggy.net/forum/protodie-buggy-group/21647-protolite-ss-630r-2-seat-model.html)

I am a dealer for these, but do not have them on our website yet so thought I would share specs and available options here

5 to 22 hp

Ratio
Min 3:1 Max achievable 0.45:1

Drive clutch / Primary
3/4 and 1" shaft
7.6" diameter

List price $325

Driven clutch / secondary
5/8, 3/4, 7/8, 1" shafts available
7.8" diameter
list $180

Cv-tech belts 1.215" wide list $75
, center to center distance
7.874
8.898
9.094
9.528
11.772
if longer is needed
RZR 570 belt works too, this is on the SS630R
12.225 C to C

clutches and belt package list price is $580

The package price thru Protodie is $530

they should be available on our website in a week or so
or you can email me protodie@protodie.com

they have higher horsepower clutch options too for 15 to 35 hp
and snowmobile , UTV clutches too

ProtoDie
01-07-2016, 07:21 AM
15 to 35 hp

Ratio
Min 3:4 Max achievable 0.77:1

Drive clutch / Primary
1" and 1 1/8" shaft
7.6" diameter

List price $470

Driven clutch / secondary
3/4, 7/8, 1" shafts available
9.80" diameter
list $390

Cv-tech belts 1.295" wide list $100
, center to center distance

9.370
11.142
12.260

clutches and belt package list price is $960

The package price thru Protodie is $850

dain254
01-07-2016, 10:10 AM
Cool! I had to buy one through my old baja team direct from CVtech... had no idea how to get one through proper channels!

ProtoDie
01-22-2016, 08:20 AM
they are up on the site now

CV Tech Clutches (http://www.protodie.com/CVT-Clutches_c_40.html)

Wheels
11-15-2017, 02:51 PM
Quick question regarding the following info:

Ratio
Min 3:4 Max achievable 0.77:1

Trying to understand clutch ratios... I currently have 20 inch racing quad tires on my buggy. I have a ratio of 7.something without the clutch taken into account. I have the sprockets to change my gear ratio up to 13:1. How would the ratio above come into play? Adding 26 or 28 inch tires to the mix, so I'm trying to decide on gearing.

any help would be appreciated.

SuzukiSteve
11-15-2017, 03:46 PM
Been using a CVTech clutch for six years on a '76 yamaha snowmobile I repowered with a 25hp subaru v-twin. Works great!